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AN INTERNATIONAL
JOURNAL OF AGRICULTURE
AND ENVIRONMENTAL
RESEARCH
ISSN: 2455-6939
Volume: 06, Issue: 01
January-February 2020
www.ijaer.in
Malwa International Journals Publication
MALWA INTERNATIONAL JOURNALS PUBLICATION:
An International Journal of Agriculture and Environmental Research
Official Journal of The Malwa International Journals Publication
87, Hanuman Chouk, Garoth, Madhya Pradesh (India), Pin Code:458880 (ISSN: 2455-3969)
The International Journal of Agriculture and Environmental Research (IJAER) is a
multidisciplinary journal that publishes empirical and theoretical Papers/Articles on all fields of
Agriculture and Environmental research. IJAER is an Open Access journal. This means that it
uses a funding model that does not charge readers or their institutions for access. Readers may
freely read, download, copy, distribute, print, search, or link to the full texts of articles.All
manuscripts submitted, including symposium papers, will be peer reviewed by qualified scholars
assigned by the editorial board.
ARTICLES/PAPERS INVITATION
We invited research/ review articles from authors all over the year, International Journals of
Agriculture and Environmental Research is accepting papers all round the year for consideration
into publication, IJAER is published as a bi-monthly journal, articles submitted will be published
once in a months. Journal publishes peer-reviewed original research papers, case studies, review
articles and technical notes. The journal allows free access to its contents, which is likely to
attract more readers and citations to articles published in IJAER. The Journal will accept original
and innovative submissions in English on the understanding that the work is unpublished and is
not being considered for publication elsewhere.
MISSION VS VISION
IJAER is pleased to offer free access to online publishing. We are committed to promote
academic exchanges and progress. Publishing with IJAER will provide high visibility of your
research work and make you know the latest academic trends. The aim of the International
Journal of Agriculture and Environmental Research (IJAER) is to foster the growth of
educational, scientific and industrial research activities among engineers and to provide a
medium for mutual communication between the world academia and the industry on the one
hand, and the world scientific community on the other. Our philosophy is to map new frontiers in
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specialist fields. Join us!
**For more information about IJAER, please visit http://www.ijaer.in**
EDITOR-IN-CHIEF
Dr. Gautam Singh Rathore
EDITORIAL BOARD:
Associate editors
Prof. Muhamad Mat Noor, Agriculture Engineering, Malaysia
Prof. Dong-Chul Park, Myong Ji University, Korea
Prof. Anjaiah Devineni, Manipal University, India
Prof. Mohamed Ben Haj Frej, POST University, USA
Editorial board member
Prof. Figueira, F. M. Monteiro, ULHT - Universidade Lusofona, Portugal
Mr. ROSHAN BABU OJHA, Soil Scientist,Nepal Agricultural Research Council.
Asso. Prof. L. K. Bhatiya, BHK collage of Engineering, India
Mr. BINOD GHIMIRE, Agriculture Extension Officer Ministry of Agricultural Development,
Government of Nepal, Nepal
Ass. Prof. H. A. Sayeswara, Department of Zoology, Sahyadri Science College (Autonomous),
Shivamogga-577203, Karnataka state,India
Dr. Mahadeva Swamy, Senior Research Fellow (SRF), Biopesticide Laboratory (BPL), Division of
Biotechnology, (IIHR), Hessarghatta lake post, Bangalore, India
Prof. Meltem Serdaroğlu, Engineering Faculty, Food Engineering Department,
Ege University, Turkey
Mr. Jiban Shrestha, Scientist (Plant Breeding & Genetics), Nepal Agricultural Research Council,National
Maize Research Program Rampur, Chitwan, Nepal
Prof. Muhamad Mat Noor, Agriculture Engineering, Malaysia
Prof. Dong-Chul Park, Myong Ji University, Korea
Prof. Anjaiah Devineni, Manipal University, India
Prof. Mohamed Ben Haj Frej, POST University, USA
Prof. Figueira, F. M. Monteiro, ULHT - Universidade Lusofona, Portugal
Mr. ROSHAN BABU OJHA, Soil Scientist, Nepal Agricultural Research Council.
Asso. Prof. L. K. Bhatiya, BHK collage of Engineering, India
Mr. BINOD GHIMIRE, Agriculture Extension Officer Ministry of Agricultural Development,
Government of Nepal, Nepal
Ass. Prof. H. A. Sayeswara, Department of Zoology, Sahyadri Science College (Autonomous),
Shivamogga-577203, Karnataka state, India
Dr. Mahadeva Swamy, Senior Research Fellow (SRF), Biopesticide Laboratory (BPL), Division of
Biotechnology, (IIHR), Hessarghatta lake post, Bangalore, India
Prof. Meltem Serdaroğlu, Engineering Faculty, Food Engineering Department, Ege University, Turkey
Mr. Jiban Shrestha, Scientist (Plant Breeding & Genetics), Nepal Agricultural Research Council, National
Maize Research Program Rampur, Chitwan, Nepal
Acknowledgement: The Association would like to thank the following people for contributing
to the publication of this issue of International Journal of Agriculture and Environmental
Research.
IJAER (International Journal of Agriculture and Environmental Research)
TABLE OF CONTENT
Article
No.
Title & Author name Page
1 INTRODUCTION OF SOIL CULTIVATION (HYDROPONIC SYSTEM)
TO IMPROVE QUALITY AND QUANTITY OF VEGETABLE
HORTICULTURE RESULTS
Ratna Rositawati
1-10
2 THE EFFECTS OF GOOD GOVERNANCE ON THE AGRICULTURAL
SECTOR
Marzieh Ronaghi, Sayed Saghaian, Mohammadreza Kohansal, M. Reed,
Mohammad Ghorbani
11-28
3 IMPACT OF BIOFERTILIZERS AND CHEMICAL FERTILIZERS ON
NODULATION, N UPTAKE AND GROWTH OF SOYBEAN (Glycine max
L.)
Betty Natalie Fitriatin, Rahadian Nur Prathama, Reginawanti Hindersah
29-37
4 EVALUATING THE EFFICIENCY AND RESISTANCE TOWARDS THE
ABIOTIC FACTORS IN THE NEWLY BRED VARIETIES OF THE
CEREAL CROPS
Hamlet Martirosyan, Marine Hovhannisyan, Mariam Abovyan
38-46
5 AFLATOXINS CONTAMINATION IN MAIZE- BASED FOOD AND
HUMAN HEALTH IMPLICATION IN BAFIA (CENTRE-CAMEROON)
Evelyne Nguegwouo, Emmanuel Ediage Njumbe, Patrick Berka Njobeh, Gabriel
Nama Medoua, Zachee Ngoko, Martin Fotso, Sarah De Saeger, Elie Fokou and
Francois-Xavier Etoa
47-61
6 IMPACT OF CARBON DIOXIDE EMISSIONS ON ECONOMIC
GROWTH AMONG DIFFERENT REGIONS OF WORLD
Sana Iftikhar, Muhammad Abdul Quddus
62-80
7 EFFECT OF DIFFERENT MULCHES ON GROWTH AND YIELD OF
TOMATO
M. R. Islam, M. G. Kibria, A. K. Das and S. D. Setu
81-84
8 ANALYSIS OF THE EFFECT OF CREDIT ON PER CAPITA ANNUAL
FARM INCOME OF RICE FARMERS; BENEFICIARIES OF SACCO
CREDIT IN BENUE STATE NIGERIA
Okolo Samson Ayegba, Olotu Olafemi Ayopo
85-
101
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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INTRODUCTION OF SOIL CULTIVATION (HYDROPONIC SYSTEM)
TO IMPROVE QUALITY AND QUANTITY OF VEGETABLE
HORTICULTURE RESULTS
Ratna Rositawati
Faculty of Agriculture, Wisnuwardhana University Malang, Indonesia
ABSTRACT
Hydroponic techniques are horticultural plants of leafy vegetables, fruit, ornamental plants,
landscaping, and medicines. The key to successful hydroponic farming lies in choosing the right
system and intensive care, from nursery to harvest. In general, not many people, especially
housewives, know and understand hydroponic farming techniques, so a deeper introduction is
needed so that housewives can find out the real benefits. Many benefits can be taken from
hydroponic cultivation. Communities need knowledge in order to know and understand these
methods in-depth. Besides that, it can find out the benefits obtained if planting in hydroponics
when compared to planting using soil media. The byproducts of hydroponic farming can get
more additional income if managed properly because planting a hydroponic system does not
require large tracts of land so as to maximize yields.
Keywords: Plant Cultivation, Hydroponic Systems, Vegetable Horticulture
1. INTRODUCTION
The hydroponic planting system is a method of cultivation without soil media but instead uses
water media. Plants that can be cultivated with hydroponic techniques are horticultural plants of
leafy vegetables, fruit, ornamental plants, landscaping, and medicines. In hydroponic techniques
the treatment is given from the nursery to harvest, using the only nutrient solution as a planting
medium. The hydroponics that is carried out indoors require special lighting to replace the sun's
rays, so that the humidity will remain controlled and the problem of the emergence of bacteria
does not occur.
Commercially, hydroponics provides many advantages including saving water use up to 90%,
suitable to be applied in areas that are difficult to water, can use narrow land and do not know the
season. Profits Plants that are produced will be better, cleaner, healthier, safer and more practical
because vegetables that are harvested are free of pesticides, so vegetables that are harvested and
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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then washed can be eaten immediately. Easier maintenance of vegetables, faster harvest time and
save labor.
The key to successful hydroponic farming lies in choosing the right system and intensive care,
from nursery to harvest. By routinely monitoring the need for nutrient water discharge in storage
tanks and measuring the suitability of the concentration of nutrient solutions (ppm levels) that
will be given to the type and age of plants planted to remain stable. Furthermore, maintaining
and maintaining the plant environment is always clean to support its growth.
While the tool used is Total Diluted Solid (TDS) meters, producing units of ppm (parts per
million). TDS is used to measure the number of dissolved solids in a liquid (water), both organic
and inorganic (mineral). With a TDS meter, it can measure water temperature and estimate the
amount of nutrient adequacy/concentration of the solution needed by plants.
In general, not many people, especially housewives, know and understand hydroponic farming
techniques, so a deeper introduction is needed so that housewives can find out the real benefits,
namely by providing counseling and training. By inviting housewives to grow hydroponically, it
is hoped that in the neighborhood, the residents can meet their food needs, especially vegetable
horticulture and fruits that can be planted using hydroponic techniques.
How to grow hydroponics to use land that is not too broad, not much done. Seeing the number of
narrow land such as the plots of land in the surrounding neighborhoods that have not been
utilized maximally, it is very necessary to provide guidance so that the surrounding communities
can utilize their plots to grow hydroponics while at the same time as entrepreneurs. This
hydroponic system can increase the benefits of housewives in increasing the quality and quantity
of vegetable and fruit horticultural crops in urban areas while maximizing the existing plots of
land. Based on the background above, it will be possible to study several objectives which are
the subject of this paper: (1) Provide an overview of the hydroponic system, (2) Explain and
apply methods of growing hydroponically (3) Provide an overview of the benefits and
hydroponic cultivation deficiencies (4) Describe and introduce the best way of hydroponic
systems to housewives in order to provide maximum benefits and benefits.
2. HYDROPONIC SYSTEMS
2.1. Definition of Hydroponics
Hydroponics (hydroponics) comes from the Latin language, hydro means water, and phonos
means workmanship so that hydroponics is water that works. "Hydroponics is a farming activity
carried out using water as a medium to replace soil. This water contains nutrients needed for
plant growth and roots to develop in nutrient solutions (Lingga, P., 2011). This nutrient solution
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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contains mineral nutrients needed by plants. Besides hydroponic planting can also use husk
charcoal, gravel, coarse sand, or coconut fiber.
2.2. Hydroponic Systems Engineering
There are two main hydroponic system techniques in its development: the Hydroponic Substrate
System (open system) is the way to plant it almost the same as conventional farming, using pots
and solid media that can absorb or provide nutrients for water, oxygen and a little organic
material, planting media used are made from artificial planting media such as husk charcoal,
Rockwool, cocopeat, hydroton and sawdust, the nutrition provided by this technique is done by
drip irrigation which is wetting some areas around the plant. Non-Substrate Hydroponic System
(closed system), in non-substrate hydroponics, is cultivation by putting plant roots on circulating
nutrients and containing nutrients according to the needs of vegetables and roots will develop in
nutrient solutions.
2.3. Based on the Hydroponic System Nutrition Movement
Based on the nutritional movement, there are two hydroponic systems, namely: Active /
Dynamic Hydroponics is a mobile solution circulating using a sample pump: NFT (Nutrient Film
Technique) and Aeroponic, a circulating solution rich in dissolved oxygen, the initial investment
are relatively expensive, installation is more complicated. Passive / Static Hydroponics, this
system depends on the capillary force of the growing media. Example: Wick System (axis
system) and Floating Hydroponic System (floating raft system). The excess is a nutrient-rich
solution, absorbed by the medium and passed on to plant roots. Good for leafy vegetables, but
not recommended for large fruit plants. Inability to provide sufficient oxygen through the roots
to support plant growth. For optimal results, it can be helped by aerating air bubbles using
Aerator / Bubbler like in an aquarium. Based on nutritional movements, there are two types of
hydroponic planting methods:
1. Hydroponic Substrate (open system)
The hydroponic substrate is a way of planting almost the same as conventional farming.
a. Using pots and solid media that can absorb/provide water nutrition, oxygen, and a little
organic matter.
b. The planting media used are made from artificial planting media such as husk charcoal,
rock wool, cocopeat, hydro towns and sawdust.
c. Nutrition in this technique is done by drip irrigation which is wetting a part of the area
around the plant.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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2. Non-Substrate Hydroponic System (closed system)
a. Passive / Static Hydroponics
Example: Wick System (axis system) and Floating Hydroponic System (floating raft system).
b. Active / Dynamic Hydroponics
Example: Hydroponic NFT (Nutrient Film Technique) and Aeroponics
Hydroponic Wick System (Wick System) is the simplest hydroponic method because it only
utilizes the principle of water capillarity. The nutrient solution has flowed from the reservoir to
the root of the plant above with the intermediate axis, "Similar to the Way of the Oil Stove".
Figure 1: Hydroponics of the Wick System (Wick System)
Hydroponics NFT (Nutrient Film Technique) is a model of cropping cultivation by placing plant
roots on circulating nutrients and containing nutrients according to vegetable requirements of
3mm so that the water (nutrition) and oxygen needs can be fulfilled. Good and balanced nutrition
will help get maximum yields. This underlies the existence of a simple or automatic control
system in a nutrient solution.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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Figure 2: Hydroponic NFT (Nutrient Film Technique)
2.4. Hydroponic Media Requirements
The media used in growing hydroponic systems should meet the following requirements:
a. It contains lime or calcium and must be mild,
b. Has acidity from neutral to alkaline pH 6-7,
c. Free from pest and disease organisms,
d. Can store enough water for plant growth,
e. Easy to dispose of excessive and porous water,
f. It contains low salinity levels.
2.5. Nutrient and Oxygen Solution
Nutrient solutions that must be considered are the appropriate amount and element of pH. The
pH element ranges from 5.5 -7.5. Nutrient solutions contain large concentrations of N, P, K, Ca,
Mg and S, while the elements Fe, Mn, Zn, Cu, B, Mo and Cl in small amounts. The nutrient
solution is made by dissolving fertilizer salts in water.
Oxygen plays an important role in growing hydroponic systems, lack of oxygen will make it
difficult to penetrate cell walls, so plants will lack water and wither quickly because the solution
does not contain oxygen. Giving oxygen into the solution can be through air bubbles like bubble
water pumps used for aquariums.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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3. EXCESS AND LACK OF HYDROPONIC SYSTEMS
3.1. Hydroponic Advantages or Strengths
In choosing a hydroponic farming system, the advantages/disadvantages and disadvantages need
to be considered so that the results can be in accordance with the desired needs.
a. Flexible Can be applied in various conditions, in urban areas with narrow land,
hydroponics can be done on the porch of the house, garden in space, home yard.
b. Nutrition control is easy to do. The nutrient solution used is guaranteed to be balanced,
because it is easier to add or reduce nutrients so that it is easy to control.
c. Higher production. Hydroponics produces two to four times higher production than
conventional systems because essential nutrients are always available.
d. The resulting crop products are uniform because the plant media used are more stable and
the irrigation system and nutrient circulation are standard.
e. Product quality is guaranteed in terms of product cleanliness and safety. Hydroponics
uses sterile media and complete nutrient solutions so that the product is clean.
f. Save labor, because there is no-tillage and weeding.
g. While the hydroponic, fertilizing and irrigation systems are carried out with an electric
pump, which is equipped with a timer.
h. It is easy to start a new planting because there is no-tillage, so you just need to replant it.
i. Saving water and fertilizer, the use of water and fertilizer in a hydroponic system is very
efficient, because the amount of water and nutrient concentrations are given according to
plant needs.
j. There are almost no weeds because the media used is not soil and sterile conditions, so as
to reduce the growth of weeds.
k. Transplanting is easy to do
l. Replacing dead or damaged plants is easy.
m. Continuity of production maintained.
3.2. Hydroponic Weakness or Weakness
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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a. The operation of a hydroponic system needs continuous monitoring, especially electricity
and control of nutrient solutions.
b. If the planting area is attacked by disease, it will easily spread.
c. Requires workers who have special skills to run the hydroponic system.
d. If a failure occurs, it will cause a substantial loss.
e. Not all plants can be planted with the hydroponic method.
f. The initial investment is expensive.
g. Requires special skills to weigh and mix chemicals.
4. HYDROPONIC SYSTEMS HAVE NOT DEVELOPED IN THE COMMUNITY
4.1. Introduction Stage
The introduction of hydroponic farming systems in the community is needed, the first stage can
be done by finding information from anywhere. Counseling and training can also be carried out
to the expert level and advanced level, so as to obtain maximum results. It is hoped that after
finishing receiving training, the community can utilize their skills well so that they can be
applied to improve their standard of living. The main community is farmers, usually doing
farming activities using land media. The introduction of planting with a hydroponic system needs
to be introduced so that the community can provide an assessment of the hydroponic farming
system compared to the method of planting using land so as to maximize yields.
A. Information from the Book Reference
Reference books on hydroponic planting and ways of making installations on hydroponics have
been widely circulated in bookstores, even on social media, but the public is still not moved to
learn them and practice them. This is due to the fact that planting hydroponic techniques is still
difficult to do, so the community still needs assistance in doing so.
B. Counseling
Counseling methods are generally associated with a device or system to be used. The explanation
will be explained briefly about various counseling methods that will be carried out. A good
extension method really needs to be applied to provide an introduction and in-depth
understanding of landless cultivation (hydroponic systems), how it works, the benefits and
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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benefits obtained when using a hydroponic system, weaknesses of the hydroponic system, which
method should be used, adjusted with plants to be planted.
C. Hydroponic Systems Training
Hydroponic technical training for the community should be carried out, to provide skills to an
advanced level, to the community, in order to be able to create a joint entrepreneurial business in
their environment. For this reason, cooperation from government agencies and private parties is
expected to provide training as well as assistance, so that the hydroponic system cultivation
technique is more developed and popular. With an instructor who has sufficient expertise, will
minimize the risk of mistakes and failures in the implementation of planting.
4.2. The Development of Hydroponics in Indonesia
The development of hydroponic cultivation system cultivation in Indonesia is still not much in
demand by the community, so it is necessary to conduct counseling and training so that the
hydroponic farming system is growing. Hydroponic techniques require a fairly high investment
and require special expertise. It is this factor that inhibits hydroponic plantations that have not
been widely carried out in Indonesia. But now there are already Indonesian hydroponic
entrepreneurs who have succeeded in exporting produce harvest the garden. Regions in
Indonesia that have planted hydroponic techniques are in Jabodetabek. Currently, in West Java,
simple hydroponic cultivation can be witnessed in Lembang, Purwakarta, and Garut while in
East Java can be found in Nangkojajar (Pasuruan), Bedali Lawang and Batu (Malang).
4.3. Introducing Hydroponic Farming in Rumha Ladders
In hydroponic cultivation techniques require expertise to an advanced level in the field. Starting
from the introduction and understanding of planting a true hydroponic system, to conducting
training and assistance, so that the community can apply and utilize it for their own environment.
The community, especially housewives, needs to know the hydroponic system deeply because
there are many benefits and benefits that can be derived from growing a hydroponic system. In
general, housewives (who do not work) only depend on the salaries of their husbands. The work
of a mother in the household itself is very dense, so with entrepreneurial business at home, the
mothers do not need to find a side job outside the home. By attending counseling, training in
hydroponic system farming to an advanced level, mothers are expected to apply it in their own
plots. Besides the beginning as a hobby, a farming hydroponics system can be maximized to get
profit, so it can be used to increase family income. Thus this hydroponic system can be cultivated
commercially, with good and maximum management and maintenance that will produce quality
crops, which in the long run will have an impact on improving their welfare.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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5. CONCLUSION
Hydroponic cultivation is planting without soil media, can use nutritious solutions, husk
charcoal, sand, coal, coconut coir, gravel and so on. Many benefits can be taken from hydroponic
cultivation. Communities need knowledge in order to know and understand these methods in-
depth. Besides that, it can find out the benefits obtained if planting in hydroponics when
compared to planting using soil media. The byproduct of hydroponic farming can get more
additional income if managed properly because planting a hydroponic system does not require
large tracts of land so that it can maximize yields. Hydroponics is a farming system without soil
media that can produce good quality crops. The government should provide counseling and
training to the community, then provide capital loans, so that the community can try to plant with
hydroponic techniques. If counseling, training and pilot planting provided during the training
goes well, then the community (PKK mothers) can apply the knowledge they have to grow
medium-scale hydroponics in their environment.
6. ACKNOWLEDGMENTS
Thank you to the Faculty of Agriculture, the University of Wisnuwardhana Malang for the
support so that this article can be published and the editor and reviewer of the International
Journal of Agriculture and Environmental Research.
REFERENCES
Anonim, 2009 Mengenal Hidroponik. Diakses di http://ficusbenyamina.blogspot.com/2009/09/
mengenal –hidroponik.html pada 20 Oktober 2013.
Anonim, 2012. Kelebihan dan KekuranganHidroponik. Diakses di
http://apandi2.blogspot.com/2012/05/kelebihan-dan-kelemahan-hidroponik.htmlpada
tanggal 20 Oktober 2013.
Anonim, 2012. Berbagai Keunggulan Hidroponik. Diakses di shyro-group.blogspot.com/
2012/06/berbagai-keunggulan-hidroponik.htmlpada tanggal 20 Oktober 2013.
Anonim, 2013. Mengenal Hidroponik. Diakses di http://heejo.com/blog/artikelmengenal-
hidroponikpada tanggal 20 Oktober 2013.
Anonim, 2013. Teknik Hidroponik untuk Budidaya Tanaman. Diakses di
http://www.anneahira.com/teknik-hidroponik.htmlpada tanggal 20 Oktober 2013.
International Journal of Agriculture and Environmental Research
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Volume: 06, Issue: 01 "January-February 2020"
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Lingga, P.2011. Hidroponik: Bercocok Tanam Tanpa Tanah. Jakarta: Penebar Swadaya.
Primantoro, H., dan H.I. Yovita, 2001. Selada Hidroponik dan Non Hidroponik. Jakarta:
Penebar Swadaya.
Susanto, S. 2002. Budidaya Tanaman Hidroponik. Modul Pelatihan Aplikasi Teknologi
Hidroponik untuk Pengembangan Agribisnis Perkotaan 28 Mei-7 Juni 2002. Bogor:
Kerjasama CREATA-IPB dan Depdiknas.
Untung, O, 2000. Hidroponik Sayuran Sistem NFT (Nutrient Film Technique). Jakarta Penebar
Swadaya.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
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THE EFFECTS OF GOOD GOVERNANCE ON THE
AGRICULTURAL SECTOR
Marzieh Ronaghi1, Sayed Saghaian2, Mohammadreza Kohansal3,*,
M. Reed4, Mohammad Ghorbani5
1PhD student, Department of Agricultural Economics, Mashhad Ferdowsi University, and Researcher at the
University of Kentucky, 326 C.E. Barnhart Building, Lexington, Kentucky 40546-0276.
2Professor, Department of Agricultural Economics, University of Kentucky,
314 C.E. Barnhart Building, Lexington, Kentucky 40546-0276.
3Professor, Department of Agricultural Economics, Ferdowsi University of Mashhad.
4Professor, Department of Agricultural Economics, University of Kentucky,
308 C.E. Barnhart Building, Lexington, Kentucky 40546-0276.
5Professor, Department of Agricultural Economics, Ferdowsi University of Mashhad.
*Director of Marzieh Ronaghi's Ph.D. dissertation
ABSTRACT
In this research, we use the Meta-synthesis method to find important factors of good governance
to increase food security, using the Shanon Entropy model and weighing variables by a Fuzzy
method. The Meta-synthesis results show international policy, group participation, and
observance standards have the highest importance and rank. Fuzzy analysis shows agricultural
employment, group participation and cooperative companies have the highest weight in political,
social and environmental areas, and increased production, and financial and capital markets have
the highest weight in the economic area. The policy recommendation is an implementation of
agricultural governance to improve employment, financial markets, and group participation.
Keywords: Agricultural governance, Fuzzy Method, Meta Synthesis.
1. INTRODUCTION
The role of governance is garnering much attention in the development literature and has often
touted as a major reason why some countries have experienced faster economic growth than
others (Samarasinghe, 2018). Governance is the process of making and implementing decisions
that improve economic, political and social institutions (UNESCAP, 2014). Good governance
International Journal of Agriculture and Environmental Research
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affects the quality of life and welfare of people. Good governance involves many actors such as
companies, political parties, military, non-government organizations and even influential
individuals (Pere, 2015). While all these institutions have an influence on how decisions are
made within a country, government sets the rules and norms that strengthen the ability of the
public and private sectors to play a meaningful role. Without good governance, economic growth
creates gaps within society’s social and economic sectors (Pere, 2015).
In general, benefits of good governance are reduced corruption (due to transparency and
accountability), realization of democracy, and increasing international cooperation (through trust
and conformation with international law). Improving each of good-governance components, for
example, increased civil liberties, can make a difference in the population’s well-being (Stead,
2015). Good governance has three attributes (Janssen and Van der Voort, 2016): 1) supports
good relations and cooperation between the government, civil society and the private sector; 2)
upholds principles of partnership, decision clarity, accountability, justice, predictability,
democracy, civil liberties and free access to information; and 3) establishes a set of norms and
values desirable for institutions, and governmental and international organizations.
Meanwhile, the agricultural sector plays a major role in human welfare. To improve agricultural
productivity in the developing countries, efforts have involved improvements in technology and
input availability. Such efforts emphasize on providing tangible products, such as capital and
modern agricultural technology for modernization (the focus of most international assistance
programs), irrigation equipment, and chemical fertilizers. Yet researchers are realizing that these
noticeable achievements are limited unless they are supported by good governance (Lio et al.,
2008).
Good agricultural governance could be the key to food security and development, improving
management of domestic resources and eliminating the internal and external barriers to
development. This research investigates the role of the government, private sector and civil
society in implementing good agricultural governance in order to increase food security in Iran, a
country that faces challenges relative to good governance such as transparency and
accountability, effectiveness, regulatory quality, rule of law, and corruption. Iran has an oil-
dependent economy with technology adoption lags and little organizational innovation. Despite
Iran’s high agricultural potential, growth in agriculture’s share of GDP is lower than other
sectors. An improved agricultural sector could help reduce the economy’s dependence on oil and
increase food security.
The World Bank calculates a governance indicator by country, which varies from -2.5 (the
weakest) to +2.5 (the strongest). All of the governance indicators for Iran are negative (Figure 1).
This research investigates the role of governance in improving agricultural performance and food
International Journal of Agriculture and Environmental Research
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security in Iran. It builds on arguments that poor governance constrain agricultural productivity,
and more emphasis is needed on the governance infrastructure to enhance agricultural
performance to positively influence a country’s agricultural productivity (Liu et al. 2008).
Figure 1: Governance Indicators in Iran in 2010- 2015.
2. LITERATURE REVIEW
Analyzing the role of improved governance infrastructure on economic performance is important
for development and food security (Globerman and Shapiro, 2002). Good governance is a
prerequisite for economic growth as other stakeholders become partners in the development
process. Given the importance of agricultural, several studies have focused on agricultural
governance. Lio et al. (2008) investigated the effects of governance infrastructure on agriculture
and tested the hypothesis that good governance improves agricultural productivity. They showed
a country with good governance can produce more agricultural output with the same amounts of
inputs. They also investigated whether good governance can indirectly enhance agricultural labor
productivity by driving agricultural capital accumulation. The results revealed that given the
same amounts of agricultural capital stock and land, workers in a country with good governance
produce more.
Bitzer et al., (2016) studied the governance of agricultural extension systems, concluding that
demand-driven services in the agricultural sector have led to improvements in the efficiency of
agricultural governance. Mohammadzadeh et al., (2017) studied the impact of government size
on good governance and economic performance. Their results show that the size of government
has a negative effect on economic growth, but good governance has a positive impact, and
employment and education factors have positive effects on governance indicators.
-2.00
-1.50
-1.00
-0.50
0.00Voice and
Political
Governmen
Regulatory
Rule of Law
Control of
International Journal of Agriculture and Environmental Research
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Despite many studies on agricultural governance, there is no comprehensive study that
determines how it affects economic, political, social and environmental aspects of agriculture
(Elmenofi et al., 2014; Hayami et al., 1985; Liu et al., 2008). Due to economic sanctions and
numerous challenges in investment and employment, Iran's agricultural conditions require
improved governance. Iran is an oil-dependent economy, and an improved agricultural sector
could help reduce the economy’s dependence on oil and increase development and food security.
In this research, we study the effects of improved agricultural governance on the economic,
political, social and environmental aspects of the agricultural sector in Iran. Good governance
could result in adopting appropriate agricultural policies, increasing agricultural productivity,
production, and food security, reducing investment risk, and increasing farmers’ participation in
improving the agricultural sector.
3. METHODOLOGICAL APPROACH AND MODEL DEVELOPMENT
To determine the factors of good agricultural governance to improve Iran’s agricultural sector,
we use a meta-synthesis of a systematically retrieved sample of academic agricultural
governance literature. This method identifies, evaluates, and synthesizes the articles produced by
researchers, scholars and practitioners (Fink, 2010). This systematic review adheres to a set of
principles that limits biases in the sample of studies (Booth et al., 2012; Moher et al., 2009;
Petticrew and Roberts 2006). We collected academic articles from seven different academic
databases: Web of Knowledge, Scopus, Science Direct, IEEE, Alps, Acs, Jstor, and Rsc sciences.
They cover the 2000-2018 period, which is the focus of this review. A well-defined research
based on the research questions in Table 1 is used to ensure sensitivity and specificity of the
literature searches (Petticrew et al., 2006).
Table 1: Research Questions
Research questions
What are the variables which explain agricultural governance?
What importance and weight does each variable have in agricultural governance?
Who are experts to determine the variables that explain agricultural governance?
How does agricultural governance improve the country?
We use the Meta-synthesis method to find the important factors/variables used in the literature,
and then present these variables to faculty members in the field of agriculture (as members of the
expert group), to rank them using the Shannon Entropy method. The variables are also presented
to a selected group of ten experts in the field of agriculture to identify the important agricultural-
governance variables in Iran by modifying/adding/ deleting variables from the meta-synthesis.
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They weigh the variables by a Binary Comparison Matrix. Experts are selected by Snowball
sampling, who complete their ranking through the Delphi method. Finally, we compare the
global agricultural governance variables from the Shannon Entropy method with those from a
pairwise comparison matrix using the Fuzzy method.
3.1 Meta-synthesis Model
In this method, the researcher performs a complete study and synthesizes the findings of related
studies (Dekker and Bekkers, 2015), creating an interpretive combination of the findings. The
seven-step method of Yahyapour et al., (2016) is used in this study:
Step 1: Formulating the review questions
The research questions in the meta-synthesis are: What are the variables which explain
agricultural governance? What importance and weight does each variable have in agricultural
governance? Who are experts to determine the variables that explain agricultural governance?
How does agricultural governance improve the county’s economy?
Step 2: Conducting a systematic literature search
It takes considerable effort to develop an exhaustive list of studies that might be included in the
qualitative meta-analysis. Keywords are identified and used with all available databases within
the study period. In this study, various databases, journals, key words and search engines were
studied for the years 2000-2018. This process included 252 articles.
Step 3: Screening and selecting appropriate research articles
This step involves developing a means for determining the similarities among studies by using
comparison parameters such as title, abstract and content.
Step 4: Extracting information from the articles
Information from papers is categorized by paper title and author, year of publication, and other
important factors mentioned in the article. This step determines the range of factors for the Meta-
Synthesis. The results are shown in “Table 2”.
International Journal of Agriculture and Environmental Research
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Table 2: Factors and References on Agricultural Governance
Factors/Variables References
Improving the quality of
agricultural production and foods
Corsi et al (2014)
Herman et al (2015)
Hughes et al (2013)
Benson and Jafry (2013)
Papadopoulos (2003)
Keulartz (2007)
Paulino (2014)
Mandemaker et al (2014)
Lio and Liu (2008)
Thirtle et al (2007)
Herman et al (2015)
Wang et al (2016)
von Braun et al (2016)
Corsi et al (2012)
The size and scale of agricultural
land cultivation
Gehan et al (2014)
Moguesand Owusu-Baah (2014)
Paulino (2014)
Biermann (2007)
Cash et al (2006)
Deininger et al (2014)
Dryzek et al (2011)
Paulino (2014)
Hornidge et al (2015)
Dinnie et al (2015)
Mazzocchi et al (2014)
Operating expenses and taxes
Beckmann et al ( 2015)
Yu (2015)
Group participation
Gera (2016)
Zhou (2016)
Soma et al (2016)
Lemos and Agrawal (2006)
Ford (2003)
Bitzer et al (2016)
Water management and social
justice
Bijman et al (2014)
Huo et al (2016)
Neal et al (2016)
Barnard (2007)
Huitema et al (2009)
Fish et al (2010)
Conrad et al (2016)
Thirtle et al (2013)
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Settre1and Wheeler (2016)
Investing in agricultural research Thirtle et al (2013)
Saunier& Meganck (2009)
Observance of standards
Schouten and Bitzer (2015)
Hospes (2014)
Glasbergen and Schouten (2015)
Hatanaka (2014)
Environment and natural
resources
Pirani et al (2014)
Stål et al (2015)
Ay rikyan et al (2012)
Bronen and Chapin (2013)
Brunner and Lynch (2010)
Paavola (2007)
Primmer et al (2015)
Zhou (2016)
Gera (2016)
Toddi (2014)
Soma et al (2016)
Business
Av ram (2014)
Biewald et al (2016)
Birner et al (2016)
Agricultural employment Tomiasi Paulino (2014)
Agricultural share of GDP Gallego-Álvarez et al (2016)
Mechanization and technology
Greiber and Schiele (2011)
Bernard and Rollin (2014)
Hartley et al (2016)
Social justice and poverty
Ravnborg et al (2014)
Fuchs and Glaab (2011)
Elmenofi et al (2014)
Agricultural sustainability
Sanwal (2004)
Fuchs and Glaab (2011)
Hart at al (2016)
Gaviglio et al (2014)
Fielke and Wilson (2016)
Governments policies
Giessen et al (2016)
Bitzer et al (2016)
Keulartz (2007)
Lawrence et al (2008)
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Hanisch et al (2014)
Step 5: Analyzing and synthesizing qualitative findings
In this step we use the factors for the Meta-Synthesis analysis and aggregate them into concepts
and then into basic categories so that we have summary data for using the Shannon Entropy
method. The experts determined there were four categories, eleven concepts, and 22 factors from
the 80 articles selected on agricultural governance. “Table 2” shows that a systematic study of
agricultural governance has not been performed because all previous studies have focused on
only one aspect of agricultural governance. Multiple dimensions of agricultural governance have
not been considered in a coherent and systematic framework. The factors with each category and
concept are shown in “Table 3”.
Table 3: Categorization of Findings from the Meta-Synthesis
Factors Concepts Categories
Mechanization and technology
Agricultural employment
Operating expense
Taxes
Marketing efficiency systems
Efficiency and production scale
Agricultural land
Development of institutions, capital markets and
financial markets
Infrastructure
Agricultural share of GDP
Production and management
Marketing
Natural resources
Development
Economic
Government policy
The role of market players in policy making
Monetary and credit system
International policy
Domestic
International
Political
Reduce poverty and observance of justice
Public participation
Use of cooperative companies and groups in the
agricultural sector
Creation and expansion of consulting companies,
public extension, education
General
Governmental
Social
Sustainability
Water management
Protection of environment and resources
Observance of standards
Determine the permitsand
Governmental laws
International laws
Managerial
Environment
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Step 6: Control the extracted factors
We used the experts to classify the factors for agricultural governance. Cohen's Kappa Index
(Barnett 2009) is used to test whether there is a consensus among the experts in their
classification of factors.
The Meta-Synthesis analysis seeks to measure the importance of the various factors. The
Shannon Entropy method provides a quantitative measure of importance, which incorporates the
probability that a factor is important (Artstein et al., 2004; Hillborn, 1974; Shannon, 1948). The
probability stems from the likelihood that a particular factor is mentioned in the literature. A
system with higher Shannon entropy has more transitive information and, therefore, greater
uncertainty. Events with higher probability contribute less transitive information to the system
than events with lower probability (Rongbao, 2017).
In the Shannon Entropy method the rate that factors appear in the literature is counted toward its
degree of importance. Equations 1 and 2 are used to calculate uncertainty and importance
coefficients, respectively.
𝐸 ≈ 𝑆 {𝑃1, 𝑃2, … , 𝑃𝑛} = −𝑘 ∑ [𝑝𝑖𝑗𝑙𝑛𝑝𝑖𝑗]𝑚𝑖=1 , (j=1,2,…., n) (1)
here Ej is an uncertainty coefficient, which is expressed by the probability distribution for each
factor j. Pij is the probability that factor j is used in concept i.
𝑃𝑖𝑗 =𝑓𝑖𝑗
∑ 𝑓𝑖𝑗𝑚𝑖=1
(𝑖 = 1, 2, . . , 𝑚 ; 𝑗 = 1, 2, … , 𝑛), 𝑘 =1
ln 𝑚
𝑚 = 𝑡ℎ𝑒 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑠𝑡𝑢𝑑𝑖𝑒𝑠
∑ 𝑓𝑖𝑗𝑚𝑖=1 = 𝐹𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 𝑜𝑓 𝑠𝑡𝑢𝑑𝑖𝑒𝑠 𝑓𝑜𝑟 𝑒𝑎𝑐ℎ 𝑐𝑜𝑛𝑐𝑒𝑝𝑡
𝑤𝑗 =𝐸𝑗
∑ 𝐸𝑗𝑛𝑗=1
(2)
Wj is the importance of each study from the Shannon entropy method.
3.2 Fuzzy hierarchical analysis method
The literature where responses to questions involving imprecise judgements are compared is
extensive (Leung ve Chao, 2000). When human impressions are imprecise they are not
successful in making quantitative predictions, but they are more efficient in qualitative
forecasting (Kulak ve Kahraman, 2005). The uncertainty in the preference judgments gives rise
International Journal of Agriculture and Environmental Research
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to uncertainty in the ranking of alternatives as well as difficulty in determining consistency of
preferences (Leung ve Chao, 2000). This is where fuzzy methods come into play.
In this application survey respondents were asked to rank factors of agricultural governance
based on their relative importance using a scale with six rankings, from extremely important to
weakly important. Those rankings were given weightings that reflect uncertainty on the part of
the respondent that are consistent with other fuzzy analytical applications. With the fuzzy
method, a pairwise comparison matrix is formed among evaluators and a weighted score, Sk, is
calculated for each respondent as follows (Ping Wan et al., 2017).
Sk= ∑ 𝑀𝑘𝑗𝑛𝑗=1 *[∑ ∑ 𝑀𝑖𝑗
𝑛𝑗=1
𝑚𝑖=1 ]-1 (1)
where Mkj is the ranking given for row k and factor j. In the fuzzy analysis method, we calculate
the sk's order of magnitude, where the order of magnitude for the two fuzzy numbers that
constitute the upper (u) and lower (l) bounds for the ranking, M1 and M2, respectively, is shown
as V (M1> M2) in equation (2).
(2)
M2 = (l2, m2, u2), M1= (l1, m1, u1)
{𝑉(𝑀1 ≥ 𝑀2) = 1 𝑖𝑓 𝑚1 ≥ 𝑚2
𝑉(𝑀1 ≥ 𝑀2) = 𝐻𝑔𝑡(𝑀1 ∩ 𝑀2) 𝑜𝑡ℎ𝑒𝑟𝑤𝑖𝑠𝑒
Hgt (𝑀1 ∩ 𝑀2) =𝑢1−𝑙2
(𝑢1−𝑙2)+(𝑚2−𝑚1)
The weight vector (T) of the factors is the same as the abnormal vector of the fuzzy analysis
process, which is as W’(x):
(3)
𝑊(𝑥𝑖)́ = 𝑀𝑖𝑛{𝑉(𝑆𝑖 ≥ 𝑆𝑘)} → 𝑊(𝑥𝑖)́ = [𝑊ˊ(𝑐1), 𝑊ˊ(𝑐2), … , 𝑊ˊ(𝑐𝑛)]𝑇
, 𝑘 = 1,2, … , 𝑛
𝑘 ≠ 𝑖
𝑊𝑖 =𝑊𝑖
ˊ
∑ 𝑊𝑖ˊ (4)
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4. EMPIRICAL RESULTS
The Cohen's Kappa Index is used to test the classification of factors. This calculated statistic is
0.68 and is significant at the 0.001 probability level; we reject the null hypothesis that the factors
are independent and conclude that the factors and concepts are appropriate. The results of the
Shannon entropy method and the final ranking are shown in “Table 4”. The coefficients
international organization policies, group participation, and observance of standards have the
highest importance and rank coefficient, the important variables of agricultural governance
worldwide. Finally, we compare the global agricultural governance factors from the Shannon
Entropy method with those from the Fuzzy hierarchical analysis method.
Table 4: Shannon Entropy Results and the Ranking Agricultural Governance Factors
Total
rank
Importance
jcoefficient W
jUncertainty E
Frequently Factors Concepts
9
11
3
2
11
0.0323
0.0169
0.0566
0.0580
0.0169
-0. 044
-0.023
0.077
-0.079
-0.023
-0.203
-0.105
-0.35
-0.36
-0.105
3
1
14
11
1
Mechanization and technology
Agricultural employment
Efficiency and production scale
Agricultural land
Operating expense
Production
and
Management
Natural
resources
4
8
0.0551
0.0338
-0.075
-0.046
-0.34
-0.21
1
3
Taxes
Market efficiency systems
Marketing
4
4
0.0551
0.0551
-0.075
-0.075
-0.345
-0.345
2
2
Institutional development, capital
market and financial market, the
infrastructures
Agriculture share of GDP
Development
2
5
0.0580
0.0492
-0.079
-0.067
-0.364
-0.306
2
3
Government policy and the role
of market players in policy
making
Monetary and credit system
Domestic
policy
1
7
0.0588
0.0433
-0.080
-0.059
-0.36
-0.27
1
2
International organizations policy
Climate policy
International
policy
5
2
0.0492
0.0558
-0.067
-0.080
-0.306
-0.364
3
2
Reduce poverty and observance
of justice.
Creation and expansion of
consulting companies, public
extention, education
Government
International Journal of Agriculture and Environmental Research
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1
10
0.0588
0.0198
-0.080
-0.059
-0.36
-0.27
1
2
Proper use of group and
cooperative companies in
agricultural policies.
Use group participation in
agricultural sector and
technology transfer.
General
2
6
0.0580
0.0455
-0.079
-0.062
-0.364
-0.285
5
9
Sustainability
Water management,
permitstand
Governmental
laws
7
1
0.0419
0.0588
-0.057
-0.080
-0.262
-0.363
15
7
Environmental protection and
resources
Observance of standards
International
laws
Managerial
After determining the important variables of agricultural governance globally, we make the
pairwise comparison matrix based on the responses to the questionnaires. “Table 5” shows the
result for one responder in the economics area and “Table 6” shows the result for one responder
in the political, social, and environmental area. Total fuzzy numbers in the pairwise comparison
matrix are calculated based on equation 1.
[∑ ∑ 𝑀𝑖𝑗
𝑛
𝑗=1
𝑚
𝑖=1
]
−1
= (0.009 ,0.01, 0.013)
The abnormal weight vector (T) of the factors in the economic area (calculated from equation 3)
are:
W’(Xi) = [0, 0.5, 0.2, 0.6, 0.1, 0.09, 0.09, 0.6, 0.7] T
The normalized factor weights (calculated from equation 4) are:
Wi= (0, 0.17, 0.06, 0.20, 0.03, 0.31, 0.31, 0.20, 0.24)
The abnormal and normalized factor weights of factors for the political, social and environmental
areas are calculated from the same formulas and are:
W’(Xi) = [0.17, 0.02, 0.12, 0.20, 0.40, 0.08, 0.12, 0.13, 0.34] T
Wi = (0.10, 0.012, 0.07, 0.12, 0.25, 0.05, 0.07, 0.08, 0.21)
The Meta-synthesis method shows that international policy, group participation, cooperative
companies, and observance standards have the highest importance and rank. For the fuzzy
International Journal of Agriculture and Environmental Research
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analysis the factors of agricultural employment, group participation and cooperative companies
have the highest weight in the political, social and environmental areas and the factors of
increase production, and financial and capital markets have the highest weight in the economic
area.
Table 5: Pairwise Comparison Matrix for One Respondent in the Economic Area
Mechanization
and
technology
Poverty
Reduction
Marketing
efficiency
systems
Operating
expense
and taxes
Agricultural
land
Efficiency
and
production
Development
of
institutions,
capital
markets and
financial
markets
Infrastructure
Agricultural
Share of
GDP
Mechanization
and technology
(1,1,1) (2/3,1/2,2/5) (1,2/3,1/2) (1,1,1) (2,1,2/3) (2,1,2/3) (2/3,1/2,2/5) (1,1,1) (2/3,1/2,2/5)
Poverty
Reduction
(3/2,2,5/2) (1,1,1) (1/2,2/5,1/3) (1,1,1) (2,1,2/3) (2,1,2/3) (1,2/3,1/2) (2/3,1/2,2/5) (1,1,1)
Marketing
efficiency
systems
(1,3/2,2) (2,5/2,3) (1,1,1) (1,1,1) (1,1,1) (2,1,2/3) (1/2,2/5,1/3) (1,2/3,1/2) (1/2,2/5,1/3)
Operating
expense and
taxes
(1,1,1) (1,1,1) (1,1,1) (1,1,1) (2,1,2/3) (2,1,2/3) (1/2,2/5,1/3) (1,2/3,1/2) (2/3,1/2,2/5)
Agricultural
land
(1/2,1,3/2) (1/2,1,3/2) (1,1,1) (1/2,1,3/2) (1,1,1) (1,2/3,1/2) (2/3,1/2,2/5) (1/2,2/5,1/3) (2/5,1/3,2/7)
Efficiency and
production
(1/2,1,3/2) (1/2,1,3/2) (1/2,1,3/2) (1/2,1,3/2) (1,3/2,2) (1,1,1) (1,1,1) (2/3,1/2,2/5) (1/2,2/5,1/3)
Development
of institutions,
capital
markets and
financial
markets
(3/2,2,5/2) (1,3/2,2) (2,5/2,3) (1,1,1) (3/2,2,5/2) (1,1,1 (1,1,1) (2,1,2/3) (2/5,1/3,2/7)
Infrastructures (1,1,1) (3/2,2,5/2) (1,3/2,2) (1,1,1) (2,5/2,3) (3/2,2,5/2) (1/2,1,3/2) (1,1,1) (2/5,1/3,2/7)
Agricultural
Share of GDP
(3/2,2,5/2) (1,1,1) (2,5/2,3) (3/2,2,5/2) (5/2,3,7/2) (2,5/2,3) (5/2,3,7/2) (5/2,3,7/2) (1,1,1)
International Journal of Agriculture and Environmental Research
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Table 6: Pairwise Comparison Matrix in the Political, Social, and Environmental Are
Government
policy
The role of
market
players in
policy
making
Monetary
and credit
system
International
Policy
Agricultural
employment
Observance
standards
and
permitstand
Sustainability Water
management
group
participation
and
consulting
companies
Government
policy
(1,1,1) (2/5,1/3,2/7) (1,2/3,1/2) (1,1,1) (1,2/3,1/2) (2/3,1/2,2/5) (2/3,1/2,2/5) (2,1,2/3) (2/5,1/3,2/7)
The role of
market
players in
policy
making
(5/2,3,7/2) (1,1,1) (1/2,2/5,1/3) (1,2/3,1/2) (2,1,2/3) (2,1,2/3) (1,2/3,1/2) (2/3,1/2,2/5) (1,1,1)
Monetary
and credit
system
(1,3/2,2) (2,5/2,3) (1,1,1) (2,1,2/3) (2/3,1/2,2/5) (2,1,2/3) (1/2,2/5,1/3) (1,2/3,1/2) (2/3,1/2,2/5)
International
Policy
(1,1,1) (1,3/2,2) (1/2,1,3/2) (1,1,1) (2,1,2/3) (2,1,2/3) (1/2,2/5,1/3) (2/3,1/2,2/5)
(2/3,1/2,2/5)
Agricultural
employment
(1,3/2,2) (1/2,1,3/2) (3/2,2,5/2) (1/2,1,3/2) (1,1,1) (2/5,1/3,2/7) (2/3,1/2,2/5) (1/2,2/5,1/3) (2/5,1/3,2/7)
Observance
of standards
and
permitstand
(3/2,2,5/2) (1/2,1,3/2) (1/2,1,3/2) (1/2,1,3/2) (5/2,3,7/2) (1,1,1) (1,1,1) (2/3,1/2,2/5) (1,2/3,1/2))
Sustainability (1/2,1,3/2) (1,3/2,2) (2,5/2,3) (1,1,1) (3/2,2,5/2) (1,1,1 (1,1,1) (2,1,2/3) (2/5,1/3,2/7)
Water
management
(1,1,1) (3/2,2,5/2) (1,3/2,2) (3/2,2,5/2) (2,5/2,3) (3/2,2,5/2) (1/2,1,3/2) (1,1,1) (1/2,2/5,1/3)
group
participation
and consulting
companies
(3/2,2,5/2) (5/2,3,7/2) (3/2,2,5/2) (3/2,2,5/2) (5/2,3,7/2) (1,3/2,2) (5/2,3,7/2) (2,5/2,3) (1,1,1)
5. CONCLUSIONS AND DISCUSSION
Agricultural development and food security are important issues facing developing countries.
While a great deal of effort has been devoted to improve agricultural technologies, physical
infrastructure and education, researchers and policy-makers have recently attached more
importance to the impact of governance on agricultural performance. In this research, we used
the Meta-synthesis and Fuzzy analysis methods to idenify important governance variables for
Iran’s agricultural. Those are agricultural employment, group participation, and cooperative
companies in the political, social and environmental areas, and increased production as well as
financial and capital markets in the economic area. The policy recommendation is the
implementation of agricultural governance to include a broad approach that encompasses the
whole agriculture sector to improve employment, financial markets, and group participation in
Iran’s agriculture sector.
International Journal of Agriculture and Environmental Research
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The group participation and cooperative companies are identified in both methods. Group
participation and cooperative companies provide a connection between people and government
and makes sense that these factors are important in agricultural governance because they
complement and enhance public accountability mechanisms. Rural production cooperatives help
small farmers increase their production and marketing capacities (Khosravipour et al., 2014), and
increase the bargaining power of the operators, reducing costs of transportation and marketing.
Government’s role is to provide information, as well as financial and technical support for the
formation and development of production cooperatives in Iran’s agricultural sector.
Easy access to financial resources is a requirement for investment and development of the
agricultural sector. However, due the lack of developed agricultural financial markets in Iran,
this sector faces investment constraints. This paper shows that one of the important variables in
agricultural governance is increased efficiency in agricultural financial markets so that credit
constraints are loosened. To achieve this goal, the government needs to adopt policies that
strengthen financial structures, which allow farmers to access financial markets easily.
Agricultural production is vitally important as the main source of livelihood for 2.5 billion
people in the world, yet the growth of agricultural productivity has stalled. Yields for major
grains grow by about 1 percent per year, which is lower than the population growth rate. Given
that expanding the cultivated area is not possibility to meet future needs, increasing agricultural
productivity is the only solution to feeding the growing (urbanized) population (who has higher
food demand). The use of modern communications methods in extension services can foster
adoption of new technologies and promote profitable cultivation among farmers. Increasing
productivity among smallholders in developing countries is a crucial instrument to guarantee
food security in the long-run (Dethier et al., 2011).
Balancing world agricultural production and prices in an ever-changing global environment is
notoriously difficult. The world population will reach 9.3 billion by 2050 (UN). World demand
is estimated to require a 60% increase in agricultural production globally compared with 2009
levels. Natural resources across the globe, notably soil and water on which farming depends, are
under unprecedented strain from productivity demands and climate change. These events focus
attention on the pivotal role of agricultural policies as crucial variables of agricultural
governance for food security and rural prosperity.
An important variable of agricultural governance worldwide is international policy. The
international aspects of agriculture policy have an important role in pursuing the fundamental
objectives of governments. For instance, the Common Agricultural Policy of the European Union
emphasizes agricultural productivity, a fair standard of living for farmers, ensuring reasonable
prices for consumers, and promoting stability in markets (in particular stabilizing imports and
International Journal of Agriculture and Environmental Research
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exports) as well as food security (Ciolos, 2012). Other key elements have a direct bearing on the
international aspects of agricultural policy, including commercial policy that sets negotiations
and conclusions for tariff and trade agreements; policies that are coherent with improving food
security and rural prosperity in developing countries; policies that contribute toward global
sustainability of the farming sector (encompassing the challenges of climate change and
conservation of biodiversity); policies that support the rules-based global trading system in a way
that takes account of the fundamental role of agriculture in ensuring food security.
Another significant variable in agricultural governance worldwide is observance standards.
Standards and technical regulations have attracted increasing attention in ongoing regional and
global trade policy dialogue as tariff and quota issues seem to assume a declining dimension.
With the reduction in the applicability of tariff barriers, the adoption rate of standards as a trade
restrictive strategy has increased significantly. This growing emphasis on non-tariff barriers, in
the face of increased globalization and rapid agricultural trade liberalization, has attracted
considerable public debate on the impact of standards on regional and international market
access for agricultural commodities.
In addition to hindering access to markets for agricultural commodities produced by smallholder
farmers, standards also raise the cost of agricultural exports. Thus serving as disincentives to
smallholder farmers (Odularu et al., 2011). In fact, Sanitary and Phyto-Sanitary (SPS) measures,
which apply to domestically, sub-regionally, and regionally produced/traded agricultural
products, take many forms, such as requiring products to come from a disease-free area,
inspection of products, specific treatment or processing of products, or permitted use of only
certain additives in food products. Ultimately, the measures help to ensure that agricultural
commodities are safe for consumers, and prevent the spread of pests or diseases among animals
and plants.
REFERENCES
Artstein, S., Ball, K. M., Barthe, F., & Naor, A. (2004). Solution of Shannon’s Problem on the
Monotonicity of Entropy. Math. Soc, 17, 975–982.
Barnett, E., & Thomas, J. (2009). Methods for the synthesis of qualitative research: a critical
review. ESRC National Centre for Research Methods NCRM Working Paper Series.
Homepage: www.ncrm.ac.uk.
Bitzar, V., Bertus, W., & de Steenhuijsen, P. (2016). The governance of agricultural extension
systems. kit working papers.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 27
Booth, A., Papaoianno, D., & Sutton, A. (2012). Systematic approaches to a successful literature
review. London: Sage.
Ciolos, D. (2012). International aspects of agricultural policy. Back group document for the
advisory group on international aspects of agriculture.
Dethier, J. & Effenberger, A. (2011). Food and agriculture challenges are examined in
Evaluative Lessons for Agriculture and Agribusiness by the Evaluation Cooperation
Group. World Bank Policy Research Working Paper, 5553.
Dekker, R., & Bekkers V. (2015). The contingency of government's response to the virtual
public sphere: A systematic literature review and meta-synthesis. Government
Information Quarterly, 32, 496–505.
Elmenofi, G., Bilali, H., & Sinisa, B. (2014). Governance of rural development in Egypt. Annals
of Agricultural Science, 59, 285–296.
Fink, A. (2010). Conducting research literature reviews. From the internet to paper (3rd Edition).
London: Sage.
Globerman, S., Shapiro, D. (2002). Global foreign direct investment flows: the role of
governance infrastructure. World Development, 11, 1899–1919.
Hayami, Y., & Ruttan, V. (1985). Agricultural Development: An International Perspective. John
Hopkins University Press, Baltimore.
Hillborn, R.C. (1994). Chaos and Nonlinear Dynamics. Oxford University Press, New York.
Janssen, M., & Van der Voort, H. (2016). Adaptive governance: Towards a stable, accountable
and responsive government.. Government Information Quarterly, 33, 1-5.
Khosravipour, B., Baradaran, M., Ravahinezhad, M., & Ghichani, O. (2014). Investigate the
Importance and Role of Companies Cooperatives in the agricultural sector. Social,
Economic, Scientific and Cultural Monthly Work and Society, 175.
Kulak, O., & Kahraman, C. (2005). Fuzzy Multi-Criterion Selection Among Transportation
Companies Using Axiomatic Design and Analytic Hierarchy Process. Information
Sciences, 170, 191-210.
Leung, L. C., & Chao, D. (2000). On Consistency and Ranking of Alternatives in Fuzzy AHP.
European Journal of Operational Research, 124, 102-113.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 28
Liu, M., and Lio, M. (2008). Governance and agricultural productivity: A cross-national
analysis. Food Policy 33, 504–512.
Mohammadzadeh, Y., Hekmati, S., & Sharifi, A. (2016). The Effect of Government Size on
Good Governance and Economic Performance in Selected Countries. Research Papers on
Economic Growth and Development, 7 (26), 7-112.
Moher, D., Liberati, A., Tetzlaff, J., & Altman, D. (2009). Preferred reporting items for
systematic reviews and meta-analyses: The PRISMA statement. Annals of Internal
Medicine, 6, 2642–69.
Odularu, G., & Tambi, E. (2011). Establishment of standards for international agricultural trade:
Promoting Africa’s participation. Trade Negitiations Insights, 10.
Pere, E. (2015). The impact of good governance in the economic development of Western
Balkan Countries. European Journal of Government and Economics.14(1), 25-45.
Petticrew, M., & Roberts, H. (2006). Systematic reviews in the social sciences: A practical
guide. Malden: Blackwell Publishing.
Ping Wan SH., Li Qin Y., & Ying Dong J. (2017). A hesitant fuzzy mathematical programming
method for hybrid multi-criteria group decision making with hesitant fuzzy truth degrees.
Knowledge-Based Systems, 138, 232-248.
Rongbao, G. (2017). Multiscale Shannon entropy and its application in the stock market.
Contents lists available at ScienceDirect. Physica A, 484, 215–224.
Shannon, C. E. (1948). A mathematical theory of communication. Bell System Technical
Journal, 27, 379–423.
Stead, D. (2015). What does the quality of governance imply for urban prosperity. Habitat
International, 45, 64-69.
UNESCAP. (2014). What is Good Governance?. Available
at:http://www.unescap.org/sites/default/files/good-governance.pdf
Yahyapour, sh., Shamizanjani, M., Mosakhani, M. A. (2016). Conceptual breakdown structure
for knowledge management benefits using meta-synthesis method. Journal of Knowledge
Management, 19, 1295 – 1309. Permanent link to this document:
http://dx.doi.org/10.1108/JKM-05-2015-0166.
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IMPACT OF BIOFERTILIZERS AND CHEMICAL
FERTILIZERS ON NODULATION, N UPTAKE AND
GROWTH OF SOYBEAN (Glycine max L.)
1Betty Natalie Fitriatin, 2Rahadian Nur Prathama, 1Reginawanti Hindersah
1Soil Science Department, Faculty of Agriculture, Universitas Padjadjaran, Indonesia
2Graduated from Agrotechnology, Faculty of Agriculture, Universitas Padjadjaran, Indonesia
ABSTRACT
Soybean is one of the important food crops as a source of protein. Nowadays, soybean
production should be increased due to higher demand in certain region in Indonesia.
Biofertilizer inoculation combine with chemical fertilizer is suggested to increase the soil fertility
to support soybean cultivation and decrease the use of chemical fertilizer. The pot experiment
was conducted to get the information concerning nodulation, nitrogen uptake and growth of
soybeans (Glycine max L.) after biofertilizer and Nitrogen (N), Phosphorous (P) as well as
potassium (K) single fertilizer application. The experiment was set up in a randomized block
design with seven treatment and four replications. The treatments consisted of two doses of
biofertilizer (3 L ha-1 and 5 L ha-1) combined with three doses of N, P, K fertilizer (50%, 75%
and 100% recommended dosage). The pot control received no biofertilizer. Consortium
biofertilizers contained N-fixing bacteria (Azotobacter chroococcum, A. vinelandii, Azospirillum
sp. and endophytic Acinetobacter sp.) and phosphate solubilizing microbes (Pseudomonas
cepaceae and Penicillium sp.). The results of experiment showed that the application of
biofertilizer 5 L ha-1 combined with 75% chemical fertilizer increased the nodules number,
nitrogen uptake and dry weight of plant at the end of vegetative stage. This study suggested that
biofertilizer might be used to increase growth of soybean and chemical fertilizer efficiency.
Keywords: Biofertilizer, Inceptisols, N-uptake, Nodule, Soybean (Glycine max L.).
INTRODUCTION
Soybean is known as a plant that requires large amounts of nitrogen. If these needs by inorganic
N fertilizer, it requires a large cost and long-term use has a negative impact on the environment.
Soybean plants to get N through symbiosis with N-fixing bacteria called rhizobia. Therefore it
can be overcome with the application of biological fertilizers that contain bacteria that can fix N2
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from the air (Htwe et al., 2019). Biofertilizers are inoculants made from active living organisms
in liquid or solid forms that have the ability to mobilize, facilitate and increase the availability of
nutrients not available into available forms through biological processes.
One way to increase soybean production is to improve the root area. Rooting areas are important
to note because roots have a major role in transporting water and nutrients to the leaves which
are related to plant survival. In addition, good root development will also support the process of
nitrogenase, absorption of other nutrients and adaptation and acclimatization of plants more
quickly (Kleinert et al. 2018). Soybean roots will symbiosis with Rhizobium bacteria to form
root nodules. Nodule development in legumes directly affects nitrogen fixation. The effects of
exogenous factors affecting nodulation in soybeans as well as in other larger legumes
(Choudhury et al., 2019). N-fixing bacteria increased significantly plant growth, nodulation,
nitrogen fixation, NPK uptake, and yield of mung beans and soybeans (Htwe et al., 2019).
Phosphate solubilizing bacteria increase soil P-available due to organic acids and phosphatases
produced by PSB that can release fixed P and P mineralization (Kalayu, 2019).
The use of a biofertilizer can help the growth of soybean plants and increase crop yields because
it can fixed free nitrogen from the air, help provide phosphate for plants (Fitriatin et al. 2014)
and can produce growth-stimulating hormones such as IAA, cytokinins, gibberellins, auxins
(Olanrewaju et al., 2017) and exopolysaccharide (Hindersah et al., 2017). The added consortium
of biofertilizers containing phosphate solubilizing bacteria (PSB) such as Pseudomonas
cepaceae; phosphate solubiizing fungi (PSF) such as Penicillium sp; and nitrogen-fixing bacteria
such as Azospirillum, Azotobacter vinelandii, and Azotobacter chroococcum; and endopytic
bacteria (Acinetobacter). These microbes are used for the consortium of biofertilizers because it
can provide benefits to plants. Some research results showed that consortium isolates are better
than single isolates. According to Olumwambe and Kofoworola (2016) that tomato seed treated
with the consortium of several effective strains for growth enhancement performed better than
their individual culture.
Utilization of the consortium of biofertilizers on soybean is expected to improve plant growth
and productivity and reduce chemical residues caused by inorganic fertilization. Therefore,
research is needed the application of biofertilizers to find out treatment gives the best response
to nodulation, nitrogen uptake and growth of soybean.
MATERIALS AND METHODS
The pot experiment was conducted in field station, Faculty of Agriculture, Universitas
Padjadjaran, West Java, Indonesia. The experimental site was located in the tropics at 756 m
above the sea lavel. The soybean cv Anjasmoro were sown in soil of Inceptisols order collected
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from Jatinangor District, West Java, Indonesia (clay texture; pH 5,58; C-org 1,89%; N 0,24%;
P2O5 Bray 30,25 ppm; CEC 20,76 cmol.kg-1). Consortium biofertilizer which contained N-fixing
bacteria Azotobacter chroococcum, A. vinelandii,Azospirillum sp, and Acinetobacter sp., as well
as Phosphate solubilizing microbes Pseudomonas cepaceae and Penicillium sp. has been
developed by Laboratory of Soil Biology in said Institution. The density of bacteria and fungi in
liquid biofertilizers were 107 CFU mL-1 and 105 CFU mL-1 respectively. Urea, TSP and KCl
single Chemical fertilizers were produced by national fertilizer industry. The recommended
dosage of said fertilizer for soybean cultivation in Indonesia were Urea (46% N) 50 kg ha-1,
triple super phosphate (36% P2O5) 100 kg ha-1, KCl (60% K2O)100 kg ha-1 and cow manure 2 t
ha-1. The compost of cow manure was prepared by Faculty of Husbandry Universitas
Padjadjaran; manure was neutral in acidity 7.50 , N 0.94%, P2O5 0,37% and K2O 0.29% and
contained 25.38% water.
The experiment arranged in a randomized block design with seven combinations and four
replications. The treatments consisted of two doses of biofertilizer/BF (0, 3 L ha-1 and 5 L ha-1),
combined with three recommended doses of chemical fertilizer/CF (50%, 75% and 100%). All
the treatments were replicated three times. N uptake, nodulation and growth of Soybean (plant
height, shoot and root dry weight) were measured at the end of vegetative period.
Soil was collected from top soil prior to separating plant debris from the bulk soil. A total of 15
kg soil was placed in polybag, mixed with 15 g organic matter (equal to 2 t ha-1) and incubated
for 5 days in field without shade.
Soybean seeds were inoculated with liquid Bradyrhizobium inoculant mixed with gum arabic;
two soybean seeds were placed in seperated hole, and covered with soil. Biofertilizer was diluted
5% by using ground water and inoculated 20 mL per polybag by pouring around 5-days old
transplant. Chemical fertilizers were applied twice at 7 days and 14 days after planting. The
experimental units were maintain for 42 days after planting when the plants were at the end of
vegetative period.
At the end of experiment, shoots were separated from roots and heated in the oven of 70o C prior
to nitrogen content analysis and dry weight measurement. Roots were washing gently using tap
water; all the nodule were collected and dried using filter paper and weighed. Nitrogen uptake
were calculted based on Nitrogen content which determined by Kjeldahl Method. All the data
were subjected to variance analysis using F test (p 0.05%). If the effect of treatment on said plant
parameter was significant then Duncan’s Multiple Range Test (p 0.05%) was conducted.
RESULTS AND DISCUSSIONS
Nodule number
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The effect of biofertilizers and chemical fertilizers increase nodule number. Figure 1 shows that
application of 5 L ha-1 biofertilizers + 75% dosage of chemical fertilizers are better treatment to
increase the nodule number. This is supported that Azotobacter in the biofertilizers able to
produce exopolysaccharides needed for Rhizobium sp. in inducing the formation of nodules
(Gauri et al. 2012). This exopolysaccharide is used as a signal by the bacterium Rhizobium so
that it can stick to the ends of the roots of soybean hair and then infect the soybean plant root
cells (Ibanez et al. 2017).
Fig 1. Nodule number of soybean grown with different biofertilizer and chemical fertilizer
treatments at the end of vegetative period; BF biofertilizer, CF chemical fertilizer
Treatment of 100% dosage of chemical fertilizer (control) had roots with the lowest nodule
number. This is caused by the treatment was not combined with biofertilizers so that the
infection of Rhizobium sp. into the root is not as effective as other treatments. Bekere et al.
(2013) reported that higher amount of inorganic fertilizer inhibits the nitrogen fixation in early
stage of plant.
Phosphate solubilizing microorganisms in the consortium of biofertilizers affect the formation of
nodules because it can increase phosphate availability (Zaidi et al. 2010). This is because
phosphate is one of the energy sources by plants to compile adenosine triphosphate (ATP) where
ATP is used as an energy source by Rhizobium sp. (Malhotra et al. 2018).
The addition of sufficient chemical fertilizer also plays a role in increasing the effectiveness of
Rhizobium sp. in the formation of nodules. Application of sufficient amount of N fertilizer
144 a164 ab 164 ab
246 bc
174 abc
253 c
213 abc
0
50
100
150
200
250
300
Control BF 3L ha-1
CF 50%
BF 3L ha-1
CF 75%
BF 3L ha-1
CF 100%
BF 5L ha-1
CF 50%
BF 5L ha-1
CF 75%
BF 5L ha-1
CF 100%
NO
DU
LE
NU
MB
ER
FERTILIZER TREATMENTS
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stimulate growth of root hair more quickly and cause N inhibition by Rhizobium sp. to the
maximum. P fertilizer plays an important role in the formation of root nodules because it helps
the synthesis of ATP and nicotinamide adenine dinucleotide phosphate (NADPH) as a source of
energy for microbes (Malhotra et al. 2018). K Fertilizer plays a role in increasing the
translocation of photosynthesis to the roots used by Rhizobium sp.
Plant N uptake
Table 1 shows that the combination of biofertilizers and chemical fertilizers increase the N
uptake of soybean significantly. This shows that N-fixing bacteria contained in biofertilizers
increased soil N so that N absorbed by plants increases. The treatment of 5 L ha-1 biofertilizer
and 75% dosage of chemical fertilizer are able to absorb N higher than other treatments.
Increased N uptake of soybean plants is thought to be due to an increase in the nodules number
caused by N fixation activity by Azotobacter sp., Acinetobacter sp., and Azospirillum sp.
contained in the consortium's biological fertilizer. According to Ohyama et al. (2017) which
states that soybean plants that have enough N due to N2 fixation by effective nodules can
increase nutrient uptake and reduce the dose of chemical fertilizer so that plants will grow better.
With the increase in the number of root nodules, the absorption of nitrogen by plants will also
increase.
Table 1: Plant N-uptake at the end of vegetative period
Treatments N uptake g plant-1
Control (CF 100%) 0.17 a*
BF 3L ha-1 + CF 50% 0.27 ab
BF 3L ha-1 + CF 75% 0.28 ab
BF 3L ha-1 + CF 100% 0.37 bc
BF 5L ha-1 + CF 50% 0.30 b
BF 5L ha-1 + CF 75% 0.42 c
BF 5L ha-1 + CF 100% 0.31 bc
*Note: Numerics followed by the same letters were non-significant on 95 % Duncan’s
New Multiple Range Test.
Increasing of chemical fertilizers did not improve N-uptake with application biofertilizers 5 L ha-
1. However, application 100% dosage of chemical fertilizers were too high, and biofertilizers
could have partially replaced the NPK fertilizer inputs. According to Solanki et al. (2018) that
nutrient uptake decreases with increasing NPK fertilizer dosage.
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Growth of soybean
The application of biofertilizers and chemical fertilizers did not affect significantly on plant
height at the end of vegetative period. This was thought to be due to humidity reaching 92%
during the planting period making soybean growth less than optimal. According to An et al.
(2001), that humidity influence to growth of soybean. The optimal air humidity for soybean
growth is 75-90%.
Table 2: Growth of soybean (plant height, shoot dry weight and root
dry weight) at the end of vegetative period.
Treatments Plant height (cm) Shoot dry weight
(g)
Root dry weight
(g)
Control (CF 100%) 28,6 a 5,31 a 1,69 a
BF 3L ha-1 + CF50% 31,1 a 7,68 ab 2,52 ab
BF 3L ha-1 + CF 75% 32,9 a 8,69 bcd 2,39 ab
BF 3L ha-1 + CF 100% 34,7 a 11,10 cd 3,47 cd
BF 5L ha-1 + CF 50% 31,6 a 8,31 bc 2,54 ab
BF 5L ha-1 + CF 75% 35,3 a 11,38 d 3,61 d
BF 5L ha-1 + CF 100% 34,5 a 8,95 bcd 2,72 bc
*Note: Numerics followed by the same letters were non-significant on 95 % Duncan’s New Multiple Range
Test
Table 2 shows that the plant height in the treatment of 100% dosage of chemical fertilizers were
28.6 cm while 5 L ha-1 of biofertizer and 75% dosage of chemical fertilizers was 35.31 cm. This
indicates that the application of biofertilizers has the potential to increase plant height of
soybean. Azotobacter sp., Azospirillum sp., and Acinetobacter sp. in biofertilizers can produce
growth regulators such as IAA, cytokinins and gibberellins which promote cell elongation and
division (Olanrewaju et al. 2017). Pseudomonas cepaceae and Penicillium sp. which is also
present in biofertilizers dissolve P into available so that it can stimulate cell division and cell
differentiation which can increase plant height. According to Fitriatin et al. (2018), that
biofertilizers contain Pseudomonas cepaceae and Penicillium sp. as phosphate solubilizing
microorganisms increase plant height.
The results of experiment showed that the combination of biofertilizers and chemical fertilizers
significantly affected on the plant dry weight. Table 2 shows that the application of biofertilizers
and chemical fertilizers increased the shoot and root dry weight. The application 5 L ha-1 of
biofertilizer and 75% dosage of chemical fertilizers increased shoot dry weight up to 114,31%
compare with control (Fig.2). This increase is higher than other treatments. The increase in plant
growth due to this treatment is in line with the data on plant N uptake as has been shown in Table
International Journal of Agriculture and Environmental Research
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1. The same effect of this treatment on the increase to root dry weight reached 81.18% was
higher than other treatments.
Control Biofert 5L ha-1 + chemical fertilizers 75%
Fig. 2: Growth of root at the end of vegetative period (comparison
of control with BF 5L ha-1 + CF 75%)
CONCLUSIONS
This study indicate that biofertilizers consortium of N-fixing bacteria (Azotobacter chroococcum,
Azotobacter vinelandii, Azospirillum), phosphate solubilizing microbes (Pseudomonas cepaceae,
Penicillium sp.) and endopytic bacteria (Acinetobacter sp.) increased nodulation, plant N uptake
and growth of soybean. The application of biofertilizers 5 L ha-1 and 75% N, P, K fertilizer
increased the nitrogen uptake, nodules number, dry weight of plant. This study implied that
biofertilizer might be used to increase growth of soybean and NPK fertilizer efficiency.
ACKNOWLEDGMENTS
We are grateful to assistant of Soil Biology Laboratory Faculty of Agriculture, Universitas
Padjadjaran for supporting us during experiment. We are thankful National Fertilizer Company,
PT. Pupuk Kujang for collaborating on the development of biofertilizers.
REFERENCES
An, P., S. Inanaga, U. Kafkafi, A. Lux and Y. Sugimoto. 2001. Different Effect of Humidity on
Growth and Salt Tolerance of Two Soybean Cultivars. Biologia Plantarum.
44, Issue 3, pp 405–410|
Bekere W, T. Kebede, and J. Dawud. 2013. Growth and nodulation response of soybean
(Glycine max L.) to lime, Bradyrhizobium japonicum and nitrogen fertilizer in acid soil
at Melko, south western Ethiopia. Int J Soil Sci 8:25–31.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 36
Choudhury, S.R., S.M. Johns and S. Pandey. 2019. A convenient, soil-free method for the
production of root nodules in soybean to study the effects of exogenous additives. Plant
Direct. ;1–11.
Fitriatin, B.N. , A. Yuniarti, and T. Turmuktini. 2014. The effect of phosphate solubilizing
microbe producing growth regulators on soil phosphate, growth and yield of maize and
fertilizer efficiency on Ultisol. Eurasian Journal of Soil Science Vol 3 pp. 104 -107.
Fitriatin, B.N., P. Tamara, O. Mulyani, E.T. Sofyan, A.Yuniarti and T. Turmuktini. 2018.
Influence of biofertilizer and humic acid on NPK content and yield of rice (Oryza sativa
L.). International Journal of Agriculture, Environment and Bioresearch. 3: 20-27
Gauri, S.S., S.M. Mandal and B. R. Pati. 2012. Impact of Azotobacter exopolysaccharides on
sustainable agriculture. Appl Microbiol Biotechnol 95:331–338.
Hindersah, R., O. Mulyani and R. Osok. 2017. Proliferation and exopolysaccharide production
of Azotobacter in the presence of mercury. Biodiversity Journal, 8 (1): 21–26
Htwe, A.Z., S.M. Moh, K.M.Soe, K.Moe and T. Yamakawa. 2019. Effects of biofertilizer
produced from Bradyrhizobium and Streptomyces griseoflavus on plant growth,
nodulation, nitrogen fixation, nutrient uptake, and seed yield of mung bean, cowpea, and
soybean. Agronomy ,9 (77): 1-15
Ibáñez, F., L.Wall and A. Fabra. 2017. Starting points in plant-bacteria nitrogen-fixing
symbioses: intercellular invasion of the roots. Journal of Experimental Botany, 68 (8):
1905–1918
Kalayu, G. 2019. Phosphate solubilizing microorganisms: Promising approach as biofertilizers.
International Journal of Agronomy . https://doi.org/10.1155/2019/4917256
Kleinert, A., V. A. Benedito, R. J. L. Morcillo, J. Dames, P. Cornejo-Rivas, A. Zuniga-Feest, M.
Delgado, and G. Muñoz. 2018. Morphological and Symbiotic Root Modifications for
Mineral Acquisition from Nutrient-Poor Soils. Chapter 4 In Book : Root Biology.
Springer International Publishing AG. Pp. 85-142. https://doi.org/10.1007/978-3-319-
75910-4_4
Malhotra H., Vandana, S. Sharma, and R. Pandey. 2018. Phosphorus Nutrition: Plant Growth in
Response to Deficiency and Excess. Chapter 7 In book : Plant Nutrients and Abiotic
Stress Tolerance. DOI. 10.1007/978-981-10-9044-8_7. Pp. 171-190
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 37
Ohyama, T., K. Tewari, S. Ishikawa, K.Tanaka, S. Kamiyama, Y. Ono, S. Hatano, N. Ohtake,
K. Sueyoshi, H. Hasegawa, T. Sato, S. Tanabata, Y. Nagumo, Y.Fujita and Y. Takahashi.
2017. Role of Nitrogen on Growth and Seed Yield of Soybean and a New Fertilization
Technique to Promote Nitrogen Fixation and Seed Yield. Chapter 9 In Book : Soybean -
The Basis of Yield, Biomass and Productivity. http://dx.doi.org/10.5772/66743. pp 154-
185
Olanrewaju, O.S., B.R. Glick, and O.O Babalola. 2017. Mechanisms of action of plant growth
promoting bacteria. World J Microbiol Biotechnol 33:197. DOI 10.1007/s11274-017-
2364-9.
Olumwambe, T.M. and A.A. Kofoworola,. 2016. Comparison of single culture and the
consortium of growth-promoting rhizobacteria from three tomato (Lycopersicon
esculentum Mill) varieties. Advances in Plants & Agriculture Research. 5 (1):448‒455
Solanki, A.C., M.K. Solanki, A.Nagwanshi, A.K. Dwivedi1 and B.S. Dwived. 2018. Nutrient
Uptake and Grain Yield Enhancement of Soybean by Integrated Application of Farmyard
Manure and NPK. International Journal of Current Microbiology and Applied Sciences.
7 (09): 1039-1102
Zaidi A., M. Ahemad, M. Oves, E. Ahmad,and M.S. Khan. 2010. Role of Phosphate-Solubilizing
Bacteria in Legume Improvement. Chapter 11 In book: Microbes for Legume
Improvement. DOI. 10.1007/978-3-211-99753-6_11. Pp. 273-292
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EVALUATING THE EFFICIENCY AND RESISTANCE TOWARDS THE
ABIOTIC FACTORS IN THE NEWLY BRED VARIETIES OF THE
CEREAL CROPS
1Hamlet Martirosyan, 2Marine Hovhannisyan, 3Mariam Abovyan
1Associate Professor, Department of Plant Growing and Soil Science,
Candidate of agricultural sciences, Armenian National Agrarian University
2Researcher, Research Center of Armenian National Agrarian University
3Master, Armenian National Agrarian University
ABSTRACT
New varietal samples of cereals (wheat-rye, barley, emmer) obtained at the Research Center of
the Plant Gene pool and selection of the Armenian National Agrarian University were tested in
arid and rainfed zones of the Republic of Armenia. Wild forms of wheat and barley served as the
paternal form for obtaining the varietal samples.
As a result of research, it was found that the yield of the obtained varietal samples under arid
conditions exceeded the traditionally cultivated in these zones varieties of wheat-rye, barley and
emmer, by 8.1; 9.2; 7.7 kg/ha, respectively. Their introduction into production can be extremely
important on the way to solving the problem of climate change in the context of global warming,
and provide high profits for farmers.
Keywords: Wheat-rye, Barley, Emmer, Variety, Abiotic factors, Cereal crops, Irrigated and
unirrigated lands, Climate change, High efficiency.
INTRODUCTION
Breeding of the new and highly efficient agricultural crop varieties which are most resistant
towards the stressful situations caused by the global climate changes is of paramount importance
for meeting the increasing demand of the population for food, providing feed for the livestock
sector and for solving the issues in agri-food system on the whole.
Growing under the conditions of the changed climate the crops become stricken with various
water and thermal stresses, which deprive the crops of the opportunity to manifest their potential
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yielding capacities. In this respect the role of selective varieties, which have been bred through
the participation of the parental forms and are endowed with high resistance rate towards the
pests and diseases and to various stressful situations [2,3], is extremely important.
Similar valuable properties and features are observed in some cereal crop varieties bred at the
research center of Plants Selection and Genofond, which have inherited the mentioned properties
from their wild parental forms. It is worth mentioning that Armenia is rich in the wild cereal crop
varieties, which come forth as a valuable selection source material distinguished by such
characteristic traits as high rate of frost-, drought-resistance, high protein content in a grain, etc.
From this perspective the crop varieties, which have been bred in the result of the crossbreeding
with the wild crop varieties, are highly evaluated. These are the two emmer varieties (Garni,
Zvartnots) and a barley variety (Araratyan), which is a multiple-row crop and is mostly peculiar
to the winter barley species, for which the wild emmer (Triticum. dicoccoides Koern) and
bulbous barley (Hordeum bulbosum L.)[1] have served as wild parental forms. The wheat-rye
variety “Tchyughavor” bred through analytic selection method at the abovementioned research
center is of no less importance. The latter can be of great significance as the best source for grain
and green fodder.
Scientific investigations have been conducted on the mentioned varieties to disclose whether
those valuable properties are fixed and sustainable in the plants᾿ genotypes. The mentioned
researches went on throughout the vegetation year of 2018-2019 in 2 zones, namely in the
irrigated lands of the Edjmiatsin province at the Armavir region and in the pre-mountainous dry
lands of the Abovyan province at the Kotayk region. The mentioned investigations were aimed at
the disclosure of the resistance rate of those variety samples to the water stress. In the extreme
situation of the irrigation water shortage the relocation of the cereal plantations from the irrigated
lowlands to the dry areas of pre-mountainous zones and the provision of high efficiency of
stress-resistant varieties can be a relevant solution for such urgent and actual issue.
Sowing of the wheat-rye variety “Tchyughavor” was carried out in the second ten days of
September and October (in the Kotayk and Armavir regions), while the barley variety
“Araratyan” and emmer varieties “Garni” and “Zvartnots” were sown in the third and first ten
days of March respectively. Before planting 25 t/ha manure and phosphoric-potash fertilizers per
P90K60 active agent were introduced under the deep plowing as the main fertilizers. In spring
during the bush formation period the plants were provided with N70 nitrogen. Planting was
implemented with the same dose of 5,0 mln/germ grain for all variety samples. The planting
dose has been chosen with relatively lower indices, so as the plants could have the best
conditions for air and soil nutrition, which would promote the increase of potential yield
capacity.
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Similar conditions for all varieties have been created and the treatment activities have been
implemented at the same time upon the same principle. When following the plant growing
process it becomes vivid that in the dry pre-mountainous conditions the maturation phase in the
barley and emmer varieties has been delayed for almost a month (10.08-17.08.2019) as
compared to the sowings at Armavir region (14.07- 19.07.2019), while this discrepancy in the
wheat-rye has made only 9 days (table 1).
Table 1: Results of phenological observations in the studied regions
Crop
Growth and development phases
Dura
tion o
f th
e
veg
etat
ion p
erio
d,
day
sow
ing
ger
min
atio
n
till
leri
ng
booti
ng
spik
eng
flow
erin
g
ripen
ing
Armavir marz
Wheat-rye
“Armenian
Tchyughavor” 18.1
0.1
8
30.1
0.1
8
17.1
1.1
8
27.0
4.1
9
19.0
5.1
9
01.0
6.1
9
21.0
7.1
9
268
Barley “Araratyan”
05.0
3.1
9
14.0
3.1
9
30.0
3.1
9
27.0
4.1
9
18.0
5.1
9
-
14.0
7.1
9
122
Emmer
“Zvartnots”
05.0
3.1
9
17.0
3.1
9
04.0
4.1
9
08.0
5.1
9
31.0
5.1
9
10.0
6.1
9
19.0
7.1
9
129
Emmer “Garni”
05.0
3.1
9
17.0
3.1
9
05.0
4.1
9
07.0
5.1
9
01.0
6.1
9
11.0
6.1
9
19.0
7.1
9
129
Kotayq marz (unirrigated)
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Wheat-rye
“Armenian
Tchyughavor” 26.0
9.1
8
11.1
0.1
8
27.1
0.1
8
09.0
5.1
9
30.0
5.1
9
12.0
6.1
9
29.0
7.1
9
292
Barley “Araratyan” 22.0
3.1
9
30.0
3.1
9
16.0
4.1
9
31.0
5.1
9
17.0
6.1
9
-
10.0
8.1
9
134
Emmer
“Zvartnots”
22.0
3.1
9
02.0
4.1
9
21.0
4.1
9
05.0
6.1
9
28.0
6.1
9
05.0
7.1
9
17.0
7.1
9
138
Emmer “Garni”
22.0
3.1
9
02.0
4.1
9
21.0
4.1
9
07.0
6.1
9
29.0
619
07.0
7.1
9
22.0
8.1
9
139
Based on those indicators the duration of vegetation period of the mentioned variety samples has
been calculated and it has been found out that in Armavir it makes 122-129 days, while in
Kotayk it is prolonged making 134-139 days and for wheat-rye it has fluctuated within 268-292
days.
When describing the advantages of tested variety samples it is very important to evaluate their
efficiency, resistance indices to the environmental factors, morphological properties, as well as
their resistance to diseases [5]. The results of the corresponding investigations are summed up in
table 2.
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Table 2: Indicators of efficacy and tolerance to the abiotic factors
of the tested varieties in the studied regions
Crop
Pla
nt
hei
ght,
cm
Tillering
Num
ber
of
pla
nts
per
1m
2, pcs
Num
ber
of
pla
nts
per
1 m
2 o
n
the
eve
of
har
ves
t
Pla
nt
conse
rvat
ion, %
Lyin
g r
esis
tance
, p
oin
t
Dis
ease
res
ista
nce
, poin
t
gen
eral
effe
ctiv
e
Armavir marz
Wheat-rye
“Armenian
Tchyughavor”
197.8 2.6 1.1 453 409.1 90.3 5.0 5.0
Barley
“Araratyan” 79.5 2.4 1.1 462 426.1 92.4 5.0 5.0
Emmer
“Zvartnots” 69.4 2.0 1.0 457 428.0 93.7 4.0 4.0
Emmer “Garni” 73.2 2.1 1.0 447 413.4 92.5 5.0 5.0
Kotayq marz (unirrigated)
Wheat-rye
“Armenian
Tchyughavor”
181.5 2.2 1.03 441.2 369.8 83.7 5.0 5.0
Barley
“Araratyan” 71.3 2.0 1.02 444.1 402.8 90.7 5.0 4.5
Emmer
“Zvartnots” 61.4 1.7 1.07 439.2 392.9 89.5 4.5 4.5
Emmer “Garni” 68.7 1.8 1.05 434.4 394.8 90.9 5.0 5.0
Regarding the plants’ height the wheat-rye records 198 cm height and in dry conditions it makes
181.5 cm, which is a rather high indicator for such conditions. In case of its cultivation for green
mass it can provide up to 450 c/ha yield, while the barley and emmer have been marked out with
their short stalks in both zones with the height of 61.4-79.0 cm.
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The overall bush formation in wheat-rye has made 2.6-2.2 in the irrigated and dry conditions,
besides in irrigated conditions the bushing size has exceeded that of observed in the dry
condition only by 0.4. It is a very vital qualitative index particularly for the forage crops used for
green fodder, like, for instance, wheat-rye, which is the primary guarantee for the expected high
yield of the green mass.
By following the plants survival process during the vegetation period it has become clear that it
is rather high and has ensured reliable indices. In this view the winter wheat-rye considerably
lags behind the spring cereals (barley, emmer) in both zones, which is surely predictable and
real. In order to determine the winter-hardiness of the wheat-rye, monoliths method has been
applied, since there was little snow in the winter of 2018 and in this regard more stressful
conditions were established for the plants [4]. As a result, it has been found out that this wheat-
rye variety has provided 94.1 % winter-hardiness in irrigated conditions and in dry conditions it
is lower by 3.1 % (91.0 %).
On the whole, when evaluating the variety samples a great stress is put on the plants behavior in
the resulted undesired, stressful conditions for the plants growth. In this regard the plants
resistance, especially in the dry conditions, has been determined through the creation of artificial
covers and, as a result, it has been disclosed, that in the dry conditions of pre-mountainous zones,
when the air temperature exceeds 30օC and only 385 mm precipitation is fallen during the
vegetation period (according to the data of meteorological station of the Kotayk region) the
regular turgor state in plants (particularly in barley and emmer) is preserved. This extremely vital
property has been inherited by the plants from their wild parental forms. The same interpretation
can be true about the high resistance of the variety samples towards the diseases. During the
trials, in the experimental plots provided for all variety samples the principle of artificial
infestation of the plants with various fungal diseases has been applied, and in the result it has
been found out, that the plants have shown a rather high resistance; only in the emmer variety
“Zvartnots” at Armavir region and in the emmer variety “Zvartnots and barley variety
“Araratyan” at Kotayk region small traces of leaf rust have been observed. For these varieties the
resistance to the diseases has been assessed with 4 and for the other varieties with 5 points.
The bending phenomenon in the cereals is also undesired, which makes the grain filling process
significantly difficult and the grain quality falls down. As a result of the investigations it
becomes clear that in Armavir region except from the emmer variety “Zvartnots” which has been
assessed with 4 points, the other variety samples are rather resistant and have been assessed with
5 points; in Kotayk region the emmer variety has been assessed with 4 points and the wheat-rye
variety, despite the significant height (185-200 m) of its stalk, is rather resistant towards bending
and has been assessed with 4.7 points (in some plants this phenomenon was slightly observed).
International Journal of Agriculture and Environmental Research
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Analysis of the yield structural elements has been conducted on the samples taken from the
experimental plots (Edjmiatsin and Kotayk) on the eve of the harvesting day. The results of the
mentioned analysis are introduced in table 3.
Table 3: Results of structural element analysis
Crop
Spik
e le
ngth
, cm
of 1 spike on 1 m2
Wei
ght
of
1000
gra
ins,
g
Fac
tual
yie
ld,
c/ha
Num
ber
of
spik
elet
s, p
cs
Num
ber
of
gra
ins,
pcs
Wei
ght
of
gra
ins,
g
Wei
ght
of
pla
nts
, g
Wei
ght
of
gra
ins,
g
Armavir marz
Wheat-rye
“Armenian
Tchyughavor”
11.5 22.3 58.1 2.9 1390.0 1130.0 50.1 52.9
Barley
“Araratyan” 8.3 58.2 42.0 1.6 880.0 716.3 38.5 32.1
Emmer
“Zvartnots” 7.2 12.7 26.7 0.9 462.2 385.2 33.7 22.1
Emmer
“Garni” 5.9 10.9 24.5 0.8 396.8 330.7 32.6 20.7
Kotayq marz (unirrigated)
Wheat-rye
“Armenian
Tchyughavor”
10.1 20.1 49.8 2.3 1021.3 851.4 46.2 38.1
Barley
“Araratyan” 7.8 51.2 39.7 1.4 691.5 578.4 35.8 27.1
Emmer
“Zvartnots” 6.4 10.9 21.5 0.7 345.5 295.1 32.7 18.8
Emmer
“Garni” 5.0 8.9 22.6 0.7 354.8 288.2 30.9 16.3
As a result of the investigations it has been found out that the length of wheat-rye spike/ear
fluctuates within 10.1-14.5 cm; in the irrigated conditions (Edjmiatsin) the barley variety has
recorded a spike length (9.3 cm) peculiar to the genotype of its maternal form, which, anyhow, in
the dry conditions (Kotayk) has decreased by 0.5 cm falling down to 8.8 cm, while the emmer
varieties have developed the shortest spikes -5.0-7.2 cm- keeping the decreasing tendency of the
spike/ear length in the dry conditions, like in the previous cases. The spike/ear length has had its
significant impact on the spikelets formed in the ear, as well as on the number and weight of the
International Journal of Agriculture and Environmental Research
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grains developed in an ear. In the ear/spike of the wheat-rye 58.1-49.8 grains have averagely
developed, besides, in the dry conditions the number of grains has decreased by 8.3 items in the
relatively shorter spikes. This regularity held true both in case of barley and emmer varieties,
anyhow, in the first case the discrepancy has made only 2.3 grains, while in the emmer varieties
it fluctuates within the range of 4.2-1.9 grains. Here it is worth mentioning that in the ear/spike
of the barley variety, unlike its maternal form, a significant increase in the grain number has been
observed, which is related to the functions taking place throughout the crossbreeding and to the
correct selection of the paternal form. The weight of the grains in an ear has been also
determined, which is the main indicator of the biological yield and it is greatly related to both the
ear length and the number of grains in an ear. Depending the weather and irrigation conditions of
the experimental year, this indicator fluctuates strongly as well, which makes respectively 0.6,
0.2 for the wheat-rye, while for the barley and emmer it is 0.1 and 0.2 g.
The weight of 1000 grains is also of paramount importance, which is related to the grain size and
has a great impact on the resulted yield amount. This indicator has been greatly influenced by the
cultivation conditions as well, since in case of cultivating the wheat-rye in dry conditions the
mentioned indicator has decreased by 3.9 g swinging down from the 50.1 to 46.2 g. The same
regularity is observed in the other cereal crop varieties as well. For example, in the barley variety
of “Araratyan” this indicator has decreased by 2.7 g (from 38.5g to 35.8g) in the dry conditions,
while in the emmer varieties it fluctuates within the range of 1.0-1.7 g. Despite the
aforementioned the experimental variety samples have provided sufficient yield (table 3), which
makes 20.1-22.1 c/ha (irrigated) and 16.3-18.8 c/ha (dry) in the emmer varieties, while in the
barley and wheat-rye varieties it has made 32.1, 27.1 c/ha and 52.9, 38.1 c/ha respectively.
It is noteworthy that the common varieties of the experimented crops demonstrate 18-21 % lower
grain yield both in the irrigated and dry conditions as compared to that of the investigated variety
samples. The yield amount of the wheat-rye, barley and emmer varieties exceeds the cultivated
common varieties (dry conditions) by 8.1, 9.2 and 7.7 c/ha respectively.
After passing through the State Variety Trials the new cereal crop varieties bred at the research
centre can further come forth as rather perspective, well-established and valuable varieties,
which can be best adapted to the stressful situations caused by the climate change and provide
extra income to the farm households.
REFERENCES
1. Harutyunyan M.G., Martirosyan H.S., Hovhannisyan M.Ts. – The role of wild relatives
in cereal crop breeding. Bulletin of AAA, Materials of International Conference,
Yerevan, 2003, 3-4.
International Journal of Agriculture and Environmental Research
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Volume: 06, Issue: 01 "January-February 2020"
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2. Guzhov Yu.L. – Selection and seed breeding of cultivated plants. M. Kolos, 2003, 536 p.
3. Zhuchenko A.A. Opportunities of creating plant varieties and hybrids taking into account
climate change // Strategy for adaptive selection of field crops with regard to global
climate changes. Saratov, 2004, 2, pp. 10-16.
4. Ashraf M., Ozturk M. & Athar H.R. Salinity and Water Stress. Improving Crop
Efficiency. Springer-Verlag, Berlin, 2009.
5. Murphy D. Plant breeding and biotechnology. United Kingdom. Cambridge University
Press, 2007.
International Journal of Agriculture and Environmental Research
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Volume: 06, Issue: 01 "January-February 2020"
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AFLATOXINS CONTAMINATION IN MAIZE- BASED FOOD AND
HUMAN HEALTH IMPLICATION IN BAFIA (CENTRE-CAMEROON)
Evelyne Nguegwouo1,4*, Emmanuel Ediage Njumbe2, Patrick Berka Njobeh3, Gabriel Nama
Medoua4, Zachée Ngoko5, Martin Fotso4, Sarah De Saeger2, Elie Fokou1and François-Xavier
Etoa6
1University of Yaoundé I, Faculty of Sciences, Laboratory of Food Sciences
and Metabolism, Yaounde, Yaounde 237, Cameroon
2Ghent University, Faculty of Pharmaceutical Sciences, Centre of Excellence
in Mycotoxicology and Public Health, Ghent 32, Belgium
3University of Johannesburg, Faculty of Science, Laboratory of Biotechnology and
Food Technology, Johannesburg, Johannesburg 27, South Africa
4Institute of Medical Research and Medicinal Plants Studies, Centre for Food and Nutrition Research,
Laboratory of Food and Quality Study IMPM, Yaounde, Yaounde 237, Cameroon
5Catholic University of Cameroon, Department of Science, Bamenda, Bamenda 237, Cameroon
6University of Yaoundé I, Faculty of Sciences, Laboratory of Microbiology, Yaounde. Yaounde 237, Cameroon
*Corresponding Author
ABSTRACT
Background: In sub-Saharan Africa and particularly in Cameroon, several research has shown
the presence of aflatoxins (AFs) in food intended to human consumption. The evaluation of the
health risk associated with consumption of contaminated foods is needed to know the sanitary
statute of the population.
Objective: This study was conducted from January to December 2014 in Bafia in the Centre
Region of Cameroon with the objectives to determine the levels of AFT (AFB1, AFB2, AFG1 and
AFG2) in dishes where maize is the staple food and to estimate the health risk (Body Mass Index,
Estimate Daily Intake, Risk Exposure, Risk of Liver Cancer Incidence) among the rural
population of Bafia.
Method: A validated Enzyme Linked Immuno Sorbent Assay was performed to estimate AFT
contamination levels in a total of 109 samples of maize-based foods. A food survey was carried
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out using standard method involving 102 children [5-8 years], 106 adolescents [9-15 years] and
156 adults [>15 years]) and was permit to estimate the average amount of maize -based food
Results: AFT were detected in 100% of samples and the levels ranged from 0.8 µg/kg (roasted
maize or maize fritters) to 18.6 µg/kg (dry or fresh flat maize cake with groundnuts). Dietary
exposure was age-depending. Children were more vulnerable to AFT (43.77c ± 0.56 ng/kg
bw/day) followed by adolescents (31.88b ± 0.32 ng/kg bw/day) and finally adults (27.38a ± 0.49
ng/kg bw/day). The same tendency were also obtained concerning the risk of liver cancer
incidence/100 000/year attributable to dietary AFT among all subgroups under study ( Children:
0.6c; Adolescents: 0.4b; Adults: 0.3a).
Conclusion: This highlights the need for continuous monitoring of maize-based food for AFT
and to implement strategies for their control in Cameroon.
Keywords: Maize-based food, AFT, dietary intake, health risk, rural population.
ABBREVIATIONS:
ALARA: As Low As Reasonably Achievable
AFB1: Aflatoxin B1
AFB2: Aflatoxin B2
AFG1: Aflatoxin G1
AFG2: Aflatoxin G2
AFT: total aflatoxins (AFB1, AFB2, AFG1 and AFG2).
AFs: Aflatoxins
BMI: Body Mass Index
DON: Deoxynivalenol
EDI: Estimate of Daily Intakes
ELISA: Enzyme Linked Immunosorbent Assay
FBs: Fumonisins
OTA: Ochratoxin A
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RE: Risk of Exposure
RLCI: Risk of liver cancer Incidence/year/100.000 populations
TDI: Tolerable of Daily Intakes
ZEN: Zearalenone
INTRODUCTION
Maize (Zea mays L.) is the first cereal cultivated in Cameroon and constitutes the very important
staple food in the diet of the rural Cameroonian population (Nguegwouo et al., 2011). It is
consumed in the form of pap, paste, pancake or grains. It is also used for livestock feeding or for
the making of traditional beers, starch for batteries and packaging industries, and for supply to
local food processing industries (Breweries, Food industries). Maize grain is susceptible to
contamination and degradation by fungi including Aspergillus, Fusarium and Penicillium spp
(Gamanya and Sibanda, 2001). Contamination effect the quality of grain through discoloration,
reduction in nutritional value and production of mycotoxins. Mycotoxins are toxic fungal
secondary metabolites that include aflatoxins (AFs), Fumonisins (FBs), Deoxynivalenol (DON),
Ochratoxin A (OTA) and Zearalenone (ZEN) (Marin et al., 2013). Globally, it is estimated that
aflatoxins are the most important chronic dietary risk fact. Each year, 550,000-600,000 new
cases of liver cancer are registered worldwide, and about 25,200-155,000 cases are attributable to
aflatoxin exposure, representing about 4.6 -28.2% (WHO, 2008). The retrospective
epidemiological survey in hospitals of Bafia (Centre Region, Cameroon) has shown an incidence
of 0.8-0.9 deaths from liver cancer for 55 700 inhabitants per year (Anonyme, 2007). The
resurgence of cancer in this locality may be due to their geographic position, situated in the
humid forest with bimodal rainfall, which enable fungi growth. AFs (figure 1) are naturally
occurring toxins produced by certain fungi, most importantly Aspergillus flavus and Aspergillus
parasiticus and are classified as group1 that means human carcinogen (IARC, 2002; Hove et
al., 2016). They may cause liver cancer, suppressed immune systems, and retarded growth and
development by contributing to malnutrition Children are more sensitive to the effects of
aflatoxin- contaminated food (Tchana et al., 2010). The occurrence of many fungi (Aspergillus,
Fusarium) and mycotoxins (aflatoxin, fumonisin, zearalenone and so one) in Cameroonian food
commodities such as maize, peanuts, beans, soybeans etc. has been reported by many authors.
Ngoko et al. (2008, 2001) reported Aspergillus sp., Fusarium sp. and Penicillium sp. as part of
the main fungal contaminants of crops in Cameroon. AFs has been detected by Njobeh et
al.(2010) in 55% of their samples including maize at concentrations between 0.1-15 µg/Kg. In
2015, the analysis of Kutukutu, a fermented maize-based dough largely consumed in the
Northern part of the country reveals an aflatoxin B1 content which in some cases exceeded 4 ppb,
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the European Union standard fixed for such products. Abia et al.(2017)also detected low levels
of aflatoxin in Maize-fufu (also known as fufu-corn), a boiled maize-dough dish that is consumed
especially in the western highland of Cameroon.To the best of our knowledge, there are no
studies establishing the link between AFT exposure via consumption of maize-based food and
the risk of liver cancer in the rural Cameroonian population. this study was carried out with the
aims 1) to quantify the levels of AFT i.e. AFB1, AFB2, AFG1, AFG2 in a total of 109 maize-
based food sampled from some villages of Bafia in the Centre of Cameroon and 2) to establish a
link between dietary AFT exposure and the risk of human liver cancer.
Figure 1: Chemical structure of principal aflatoxins (B1, B2, G1 and G2)
MATERIAL AND METHODS
Site description and study design
This study was conducted in Bafia, one of the administrative subdivision of the Mbam and
Ibounou Division in the Centre Region of Cameroon between January and December 2014. It is
crossed by the national route No4 linking Bafoussam to Yaounde. It is located at 120 km North
of Yaounde at latitude 4o 45´00´´ North and longitude 11o14´00´´ East. Their total population is
about 55700 inhabitants (MINAGRI, 2002).
Bafia was chosen based on the maize consumption and climatic conditions (annual rainfall
ranges between 3500 and 4000 mm, average temperature between 27°C and 36.7°C, humidity
ranged between 60 and 70% which are favorable to fungi growth and chances of AFs
contamination are high. Four villages of Bafia (Donenkeng, Binya, Goufan I, Goufan II and
Thekané) were purposively selected
Food survey
A food survey was carried out using the method described by Kroes et al.(2002) in year 2014
based on the collection in the study site of maize-based food consumed by 366 apparently
healthy and not fasting individuals divided into 108 children [5-8 years], 102 adolescents [9-15
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years],and 156 adults [>15 years] for 7 consecutive days. The objective of this survey was to
determine the average amount of maize -based food consumed by the subgroup of Bafia’s
population, their average body weight and height. Electronic scale was used to estimate the
consumption of food. The individual body weight and height of each participant were taken
using fathom and human scale respectively.
Collection of samples
A total of 109 samples of maize-based food, each weighing approximately 2 kg (consisted of
four 500 g subsamples from households) was collected according to the European Commission
(EC) No 401/2006 (EC, 2006)from the villages of study site between September and November
of the year 2014.Samples included maize beer (n=9); dry or fresh maize cake with vegetables
(n=10); dry or fresh maize cake with groundnuts (n=15); maize porridge (n=10); maize fufu or
couscous (n=13); maize milk (n=9); vegetables with maize (n=8); roasted maize (n=8); boiled
maize (n=9); fried maize with groundnuts(n=10) and maize fritters (n=8) were placed in
polyethylene bags and taken immediately to the laboratory. Upon arrival, all food samples were
homogenized, finely milled for solid samples and lyophilized for liquid samples before frozen at
−20 °C until analysis for AFT.
Analysis of AFT using quantitative ELISA Test
AFT (AFB1, AFB2, AFG1 and AFG2) content in each maize-based food was determined using a
quantitative competitive direct ELISA (Enzyme Linked Immunosorbent Assay) kit for AFT in
cereals and derivatives purchased from Reneekabio (CAT. N° AF012714 Qual, HELICA
Biosystems, Inc., Santa Ana, CA, USA). The AFT extraction was conducted according to
manufacturer’s protocol. For each sample, 20 g of the powder was added to 100 mL of methanol
70%. The mixture was then homogenized for 5 min using a magnetic stirrer, filtered through
whatman paper N° 4 and the supernatant used for the ELISA test. The AFT content was
inversely proportional to the color intensity established using an automated microplate reader
(EL × 800, BIOTEK, Instruments Inc., Winooski, VT, United States) at 450 nm. A calibration
curve was plotted using AFT standard at different concentrations (0.2, 2.5, 5, 10 and 20 µg/kg or
ppb). Limit of detection (LOD) and limit of quantification (LOQ) for AFT were < 0.01 and 0.01
µg/kg respectively. Samples with AFT levels lower than 0.01 µg/kg were considered as
aflatoxin-free The recovery percentage was determined using reference material (FAPAS test
material specification sheet, TO4138) from manufacturer.
Estimate of Body Mass Index, Daily Intake
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The Body Mass Index (BMI) is defined as the body mass (weight) over the square of the body
height, and is universally expressed in units of kg/m2. For this study, we used the average BMI of
the subgroups (children, adolescents and adults)
𝐵𝑀𝐼 = 𝑊
𝐻2 (1)
With BMI: Body Mass Index (kg/m2);
W: Weight (kg) of each subgroup studied;
H: Height (m) of each subgroup studied.
The Estimate of Daily Intakes (EDI) of AFT contaminated maize-based food were obtained by
multiplying individual (Average)intake of maize-based food by the average concentration of
AFT in each contaminated food consumed and then summing the contributions of all the maize-
based food. These contributions, initially expressed in ng/day (AFT) were divided by mean body
weight (b.w) measured for each population subgroup so that they were expressed in ngkg -1 body
weight/day (AFT) thus facilitating comparison with the toxicological reference values (Tolerable
Daily Intake or TDI) proposed by different international bodies. For this study we used 1ng kg-1
(b.w.) day-1(JECFA, 2001)
𝐸𝐷𝐼 = ∑𝐶 × 𝑄
𝑏. 𝑤 (2)
With:
EDI: Estimate of Daily Intakes of AFT in ng kg-1 of body weight (b.w.) day-1;
C: The AFT concentration found in each maize-based food (µg/kg or ng/g);
Q: The daily intake of each maize-based dish (g/day);
bw: The average body weight of the subgroup of the population
Risk Exposure and Cancer Risk Incidence
The characterization of the Risk of Exposure (RE) to AFT of each subgroup of population is
calculated using the following formula (ASTEE, 2003):
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𝑅𝐸 = 𝐸𝐷𝐼
𝑇𝐷𝐼 (3)
With RE: Risk of Exposure
EDI: Estimate of Daily Intakes of AFT in ng kg-1 of body weight (b.w.) day-1
TDI: Tolerable of Daily Intakes of AFT in ng kg-1 of body weight (b.w.) day-1
If: RE <1 means that the exposed population is theoretically out of danger, that is, this exposed
population is not likely to develop the health effects studied.
- RE> 1 means that the toxic effect can occur without being possible to predict the probability of
the occurrence of this event.
According to epidemiological data of JECFA (1999), it is considered that ingestion of 1 ng AFT
/ kg b.w./day would increase the incidence of liver cancer by 0.013 cancer cases per year per
100.000 populations. This suggests that the annual incidence of liver cancer in the rural
population of Bafia: 0.013 x EDI (for maize) per 100,000 for each population subgroup studied.
Hence, the Risk of liver cancer Incidence (RLCI) can be calculated as follow (JECFA, 1999):
(RLCI) = EDI × 0.013(4)
With RLCI: Risk of liver cancer Incidence/year/100.000 populations
EDI: Estimate of Daily Intakes of AFT in ng kg-1 of body weight (b.w.) day-1
0.013: Constance of liver cancer per year per 100. 000 populations
Statistical analysis
Tree replicates of the data were performed and the data was expressed as means and standard
deviation (SD). The homogeneity of the mean concentration of AFT was assessed by an analysis
of variance by the Fischer test using SPSS version 10.0 for windows and a “p” < 0.05 was
considered as statistically significant.
RESULTS
Anthropometric data of population subgroup studied.
The Body Mass Index (BMI) is the anthropometric data calculated for this study and results were
summarize in Table 1. BMI was normal for all children and adolescents surveyed. In contrast,
some of the adults (19%) were overweight (BMI ≥ 25 kg/m2).
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Table 1: BMI data of subgroup of rural population in Bafia (Centre - Cameroon)
Subgroup of rural population in
Bafia
Weight (kg) Height
(m)
Body Mass Index
BMI (kg/m2)
% of individual’s
BMI ≥25
Children 23.2±0.3 1.3±0.1 13.7±0.9 0.0
Adolescents 34.0±0.3 1.4±0.1 16.6±0.2 0.0
Adults 56.4±0.8 1.7±0.3 20.0±0.3 19.0
Quality control
The concentration of AFT in quality control reference material determined by the manufacturer
and the concentration we obtained using the ELISA method generated a standard deviation of
8.02 and relative standard deviation was 9.20%. The average recovery rate for AFT at the three
spiking concentrations was 105%, standard deviation was 2.30 and relative standard deviation
was 2.2%. The calibration curve used for quantification of AFT gave correlation coefficient (r2)
of 0.998 and 0.981 for standard solution and matrix-matched calibration, respectively. No cross
reactivity was observed, thus, the method was considered specific for this analysis.
Level of AFT in maize-based food and data on food consumption by subgroup of rural
population in Bafia.
Table 2 provides data on AFT levels in maize–based foods and the average amount consumed
per day by rural population in Bafia. AFT were detected in 100% of samples analyzed and varied
significantly (P<0.05) between dry or fresh flat maize cake with vegetable, dry or fresh maize
cake or also fried maize with groundnuts and other maize-based foods. The levels were ranging
from 0.8 µg/kg in roasted maize or maize fritters to 18.3 µg/kg in dry or fresh flat maize cake
with groundnuts. A high frequency of occurrence was noted in maize-based food consumed by
the rural population. The quantities of average maize-based food consumed on dry weight (g
DW) by 108 children (4-8 yrs) and 102 adolescents (9-14yrs) showed significant difference
(P<0.05) between dry or fresh flat maize cake with vegetable, dry or fresh maize cake with
groundnuts, maize beer, maize porridge and other maize -based food. Foods such as roasted
maize (192.9 g DW/day) are mostly consumed by children whereas maize porridge was least
consumed (5.5 g DW/day). The average maize-based food consumption among 102 adolescents
shown the same things. Average consumption of maize-based foods in g DW/ day of 156 adults
showed a significant difference (P<0.05) between dry or fresh flat maize cake with vegetable,
dry or fresh maize cake with groundnuts, maize beer, maize porridge, maize milk and other food-
based foods. Foods such as roasted maize (219.7 g DW/day), boiled maize (218.4 g DW/day)
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and maize fufu (149.6 g DW/day) were highly consumed than other maize products, while maize
porridge was the least consumed food (5.5 g DW/day).
Table 2: AFT levels in maize-based foods and average food
consumption per day by rural population in Bafia.
Food type
AFT (µg/kg)
n= 109
Average food consumption (g DW/day)
Children
(4-8 yrs)
N= 108
Adolescents
(9-14 yrs)
N=102
Adults
(>15 yrs)
N= 156
Maize beer 1.5±0.2a 0 ±0.0a 0±0.0a 2.5± 0.1a
Dry or fresh flat maize cake
with vegetable
16.8±0.1b 12.1±0.1a 13.4±0.0a 20.7±0.1a
Dry or fresh flat maize cake
with groundnuts
18.3±0.8b 8.3±0.0a 7.4±0.1a 10.3±0.1a
Maize- porridge 0.9±0.1a 5.5±0.1a 5.5±0.0a 5.5±0.0a
Maize fufu (couscous) 1.2±0.1a 104.3±0.2b 110±0.1b 149.6±0.1b
Maize milk 1.1±0.1a 34.8±0.1b 34.8±0.1b 13.6±0.1a
Maize vegetable 1.6±0.3a 63.2±0.3b 63.2±0.0b 70.3±0.0b
Roasted maize 0.8±0.1a 192.9±0.2b 192.9±0.0b 219.7±0.11b
Boiled maize 1.0±0.1a 149.4±0.2b 149.4±0.1b 218.4±0.1b
Maize fritters 0.8±0.1a 29.1±0.1b 29.1±0.1b 29.6±0.0b
Fried maize with groundnuts 16.8±1.5b
13.3±0.0a 13.3±0.0a 13.2±0.0a
Values for average food consumption are mean ± SD; N: number of individuals; n: number of maize-based
samples analysed; Numbers in a column with different superscripted letters are significantly different (P <
0.05); DWB: Dry weight basis.
Table 3: Daily intake of AFT, risk exposure and risk of liver cancer from subgroup of
rural’s population in Bafia (Centre-Cameroon).
Subgroup of Bafia
rural population
Estimate Daily
Intake (EDI) (ng/kg
bw/day)
Tolerable Daily
Intake (TDI) JECFA
(2001)
(ng/kg bw/day)
Risk of
Exposure
(RE)
Risk of liver cancer
Incidence
attributable to dietary
aflatoxin
Children 43.8±0.6c 43.8c 0.6c
Adolescents 31.9±0.3b 1 31.9b 0.4b
Adults 27.4±0.5a 27.4a 0.3a
Numbers in a column with different superscripted letters are significantly different (P<0.05). Mean body weight of rural’s population subgroup [children: 23. 2 kg; Adolescents: 34.0 kg; Adults: 56.4 kg].
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Estimate Daily intake of AFT from the rural’s population of Bafia, risk of exposure and risk
of liver cancer.
The results of the mean EDI of the different subgroups of the Bafia population surveyed (Table
3) showed the TDI were varied significantly (P <0.05) from one group to another. The were
higher in children (43.8 ng / kg bw/day) compared to adolescents (31.9 ng / kg bw / day) and
adults (27.4 ng / kg bw / day). The risk of exposure and the risk of liver cancer incidence showed
the same tendency that were higher in children (43.8 and 0.6) compared to adolescents (31.9 and
0.4) and adults (27.4 and 0.3) (P<0.05) respectively.). There was a high risk of increased liver
cancer incidence associated with high AFT exposure among all subgroups under study.
DISCUSSION
In this study, the population studied had normal BMI in infants, adolescents and majority of
adults, that means this population would not a particularly obesity problem. However, all
samples of maize – based food analyzed were contaminated by AFT at different levels. The
majority of samples (75%) presented the level of AFT above the regulated maximum limit by the
commission European (4 µg/kg). The most contaminated samples were dry or fresh flat maize
cake with vegetable, dry or fresh flat maize cake with groundnuts (18.3 µg/kg) and fried maize
with groundnuts (16.8 µg/kg). The highest AFT contents of these samples could be explained by
poor conditions of drying and storage of maize that is the major ingredient. The maize harvesting
time is generally in the rainy season, drying in wet weather is relatively slow, resulting in the
proliferation of Aspergillus. Similar observations were noticed by (Yogendrarajah et al. 2014).
They found high level of AFT in agronomical crops and justified such contamination by
temperature, humidity, storage conditions and duration which are key factors in the development
of fungi that produce aflatoxins.
Giving that, adverse effect of mycotoxins in the body are directly link to the quantity of
contaminated food ingested, a correlation between the amount of food consumed by the
population of Bafia and their AFT content was assessed. The results obtained showed that, the
amount of maize-based food consumed by the population in Bafia varied with the age of the
population and the type of maize-based food. Maize beer was consumed only by adults. This
could be explained by the fact that alcoholic beverages were not allowed to children and
adolescent consumption. The low level of AFT presented in maize beer and the low quantity of
maize beer consumed demonstrate that, the consumption of this maize-based food could be
associated with lower adverse AFT effects in the Bafia population.
The most consumed maize-based foods in the three groups were maize fufu (couscous) followed
by roasted maize and boiled maize. This could be explained by the food habit of the population
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of the region, maize constitute the staple food of population (Nguegwouo et al, 2017). Fufu is
consumed associated various sauces. During harvest period, fresh maize is mostly sold and
consumed in boiled form or in roasted. These highly consumed maize base foods presented AFT
content of 1.2, 0.8 and 1.0 µg/kg (respectively for maize fufu, roasted maize and boiled maize)
which are very lower than the maximum recommended value of 4µg/kg. Regarding the highly
AFT contaminated samples, althought their consumption amount per type of age were low, the
population could be exposed to adverse effect of AFT present in these samples.
In order to verify this hypothesis, the level of exposition of population to the amount of food
consumed was assessed. In general, exposure to mycotoxins depends on the degree of exposure
and the amount consumed (Marin et al., 2013).
According to literature, the estimate daily intake of AFT by a person is one of the most important
parameter used to assess his risk of exposure to the adverse effect.
The consumption of the same maize-based foods was not significantly different in different
group of population nevertheless they have different body weights. Children have significantly
lower body weight than adolescents and adults. Since EDI depended on body weight, children's
was more exposed than adults and adolescents. There was a correlation between EDI and the risk
of exposure and the risk of liver cancer incidence (Table 3). Thus, children more were exposed
with high risk of liver cancer incidence. Some adults have been shown to be obese and would be
more likely to be exposed to acute toxicity due to AFT in the long term (Liu and Wu, 2010). Our
target populations were more exposed to AFT than the French and Balkane (Morrocco)
population (Soubra, 2008). The estimated exposure of children and adolescents of the Balkane
population showed that for AFT, the average level exceeded 1 ng/kg bw/day and children were
also more exposed. Children, a specific vulnerable population group, are routinely exposed to
many mycotoxins through food in many parts of the world (Etzel, 2014). Data from the risk
assessment of AFB1 (Ediage et al., 2014) the most toxic of all types of AFT showed that the
calculated exposure for infants as well as adults exceeded the TDI through maize, peanut, and
cassava consumption sampling in the three agro-ecological regions of Cameroon (the western
highland, the humid forest with monomodal rainfall and the humid forest with bimodal rainfall).
These authors recommended that particular attention should be paid to AFB1, especially in
populations with a very high prevalence of Hepatite B virus (10%). Vulnerable groups and/or
individuals (such as elderly or immune-compromised people and pregnant women) living in
these study zones should be alerted to the potential danger arising from the consumption of
mycotoxin-contaminated foodstuffs. For aflatoxins, where carcinogenity is the basis of concern,
TDIs are not applicable. Exposure of as little as <1 ng/kg bw/day to AFs can lead to a risk of
liver cancer and because of this, a numerical TDI for aflatoxins could not be established.
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Therefore, it is recommended that levels of AFT should be as low as technologically feasible or
as low as reasonably achievable (ALARA). Nevertheless, TDIs of 1 ng/kg bw/day have been
used in other risk assessment (Etzel, 2014; Matumba, 2014).
The ratio of (EDI) to (TDI) was determined to assess the risk of exposure of rural’s consumers. It
has been noted that the EDI value of AFT ingested per maize-based food exceeded nearly 44
times the TDI in children, 32 times in adolescents and 27 times in adults. In the three subgroups
of the population, all subjects (100%) exceeded the TDI. This means that the toxic effects can
occur without enabling prediction of the probability of the occurrence of this event.
Our study demonstrated for the first time in Cameroon the risk of liver cancer Incidence/100
000/year attributable to dietary AFT. The risk of liver cancer incidence was associated with the
high AFT exposure. This parameter was high in children compared to other subgroups of the
study population. Aflatoxins in foods are converted to the aflatoxin-8,9-epoxide metabolite in the
liver which seems to be responsible of many of the toxic effects in the body (Groopman et al.,
2008). Epidemiological studies in Bafia on the pathologies caused by AFT are needed to
reinforce the results obtained.
CONCLUSION
This study clearly demonstrated that AFT were present in all maize- based products analyzed
with children being most at risk. Presently, there are no regulations for mycotoxins in maize-
based food intended to human consumption in Cameroon, however the urgency is reported for
the routine monitoring of these foods. We recommend that for staple foods, the maximum level
should be reconsidered in specific case of Cameroon with more restriction than for other foods.
Furthermore, awareness/educational interventions are required to enhance caregiver adherence to
consumption advice for specific foods while adopting good hygiene and preparation practices.
ACKNOWLEDGEMENTS
Authors are grateful to the Bafia’s population in Cameroon, for their avaibility. The authors wish
to thank Dr. Alex Tchuenchieu and Dr. Hippolyte Mouafo Tene for proofreading of the article.
Funding: This study was supported in part by VLIR-UOS in Belgium via a travel grant to the
Centre of Excellence in Mycotoxicology and Public Health, Ghent University.
REFERENCES
Abia, W.A., Warth, B., Ezekiel, C.N., Sarkanj, B., Turner, P.C., Marko, D., Krska, R., Sulyok,
M., 2017. Uncommon toxic microbial metabolite patterns in traditionally home-processed
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 59
maize dish (fufu) consumed in rural Cameroon. Food Chem. Toxicol. 107, 10–19.
https://doi.org/10.1016/j.fct.2017.06.011
Anonyme, 2007. Cas de décès dus au cancer du foie et de l’œsophage dans les hôpitaux de
Donenkeng et de Bafia de 1999 à 2007. Hôpital de Bafia.
ASTEE, 2003. Guide pour l’évaluation du risque sanitaire dans le cadre de l’étude d’impact
d’une U.I.O.M. Assoc. Sci. Tech. l’Eau l’Environnement 60p.
EC, 2006. Commission Regulation (EC) No 401/2006 of 23 January 2006 laying down the
methods of sampling and analysis for the official control of the levels of mycotoxins in
foodstuffs. Off. J. Eur. Union.
Ediage, E.N., Hell, K., Saeger, S. De, 2014. A Comprehensive Study To Explore Di ff erences in
Mycotoxin Patterns from Agro-ecological Regions through Maize, Peanut, and Cassava
Products: A Case Study, Cameroon. J. Agric. Food Chem. 62, 4789–4797.
https://doi.org/10.1021/jf501710u
Etzel, R.A., 2014. Reducing Malnutrition : Time to Consider Potential Links Between Stunting
and Mycotoxin Exposure ? Pediatrics 134, 4–8. https://doi.org/10.1542/peds.2014-0827
Gamanya, R., Sibanda, L., 2001. Survey of Fusarium moniliforme (F. verticillioides) and
production of fumonisin B1 in cereal grains and oilseeds in Zimbabwe. Int. J. Food
Microbioliology 71, 145–149.
Groopman, J.D., Kensler, T.W., Wild, C.P., 2008. Protective Interventions to Prevent Aflatoxin-
Induced Carcinogenesis in Developing Countries. Annu. Rev. Public Health 28, 187–203.
https://doi.org/10.1146/annurev.publhealth.29.020907.090859
IARC, 2002. International Agency for Research on Cancer Monographs on the Evaluation of
Carcinogenic Risks To Humans: Some Traditional Herbal Medicines, Some Mycotoxins,
Naphthalene and Styrene. IARC Press & World Health Organization, Lyon, France.
https://doi.org/10.1002/food.19940380335
JECFA, 2001. Joint FAO/WHO expert committee on food additives and contaminants safety
evaluation of certain mycotoxins in food. WHO Food Additives Series 47, FAO food.
JECFA, 1999. Joint FAO/WHO expert committee on food additives and contaminants evaluation
of certain food additives and contaminants. 49th WHO Technical Report.
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 60
Kroes, R., Mu, D., Massey, R., Mayer, S., Urieta, I., Verger, P., Visconti, A., 2002. Assessment
of intake from the diet. Food Chem. Toxicol. 40, 327–385.
Liu, Y., Wu, F., 2010. Global Burden of Aflatoxin-Induced Hepatocellular Carcinoma : A Risk
Assessment. Environ. Health Perspect. 118, 818–825.
https://doi.org/10.1289/ehp.0901388
Marin, S., Ramos, A.J., Cano-Sancho, G., Sanchis, V., 2013. Mycotoxins: occurrence,
toxicology, and exposure assessment. Food Chem. Toxicol. 60, 218–237. https://doi.
org/10.1016/j.fct.2013.07.047.
Matumba, L., 2014. Understanding and tackling the complexity of the mycotoxin problem in
sub-saharan Africa: regulations and decontamination strategies. PhD thesis, Ghent
University, 197p.
MINAGRI, 2002. Rapport annuel d’activités de la délégation de l’agriculture du Mbam.
Ngoko, Z., Imele, H., Kamga, P.T., Mendi, S., Mwangi, M., Bandyopadhyay, R., 2008. Fungi
and mycotoxins associated with food commodities in Cameroon. J. Appl. Biosci. 6, 164–
168.
Ngoko, Z., Marasas, W.E.O., Rheeder, J.P., Shephard, G.S., Wingfield, M.J., Cardwell, K.E.,
2001. Fungal Infection and Mycotoxin Contamination of Maize in the Humid Forest and
the Western Highlands of 29, 352–360.
Nguegwouo, E., Fokou, E., Ngoko, Z., Etoa, F., 2011. Corn production, preservation, and
transformation in Bafia (Centre Cameroon) and risk assessment of fumonisins
contamination. Cameroon J. Biol. Sci. 19, 11–25.
Nguegwouo, E., Njumbe Ediage, E., Njobeh, B., Medoua Nama, G., Ngoko5Z., Fotso,M., De
Saeger,S.
Fokou,E., F-X. Etoa, F-X., 2017. Aflatoxin and Fumonisin in Corn Production Chain in Bafia,
Centre Cameroon: Impact of Processing Technique. Journal of Pharmacy and
Pharmacology, David Publishing. 5, 579-590. Doi : 17265/2328-2150/2017.08.014.
Njobeh, P.B., Dutton, M.F., Koch, S.H., Mosonik, J.S., 2010. Simultaneous occurrence of
mycotoxins in human food commodities from Cameroon. Mycotoxins Res. 26, 47–57.
https://doi.org/10.1007/s12550-009-0039-6
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Hove, M., Van Poucke, C., Njumbe-Ediage, E., Nyanga, L. K., & De Saeger, S. (2016). Review
on the natural co-occurrence of 723 AFB1 and FB1 in maize and the combined toxicity
of AFB1 and FB1. Food Control, 59, 675–682.
Soubra, L., 2008. Toxic risk assessment of specific chemical substances and contaminants (Food
additifs and Mycotoxins). Thèse de Doctorat Ph.D, Institut des Sciences et Industries du
Vivant et de l’Environnement (Agro Paris Tech), 225p.
Tchana, A.N., Moundipa, P.F., Tchouanguep, M., 2010. Aflatoxin Contamination in Food and
Body Fluids in Relation to Malnutrition and Cancer Status in Cameroon. Int. J. Environ.
Res. Public Health 7, 178–188. https://doi.org/10.3390/ijerph7010178
WHO, 2008. The Global Burden of Disease: 2004 update. World Heal. Organ.
https://doi.org/https://doi.org/10.1038/npp.2011.85
Yogendrarajah, P. Jacxsens, L., Lachat, C., Walpita, C.N., Kolsteren, P., De Saeger, S., De
Meulenae, B. 2014. Public Health Risk Associated with the Cooccurrence of Mycotoxins
in Spices Consumed in Sri Lanka. Food Chem Toxicol. 74, 240–248.
https://doi.org/10.1016/j.fct.2014.10.007
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IMPACT OF CARBON DIOXIDE EMISSIONS ON ECONOMIC GROWTH
AMONG DIFFERENT REGIONS OF WORLD
1Sana Iftikhar, 2Muhammad Abdul Quddus
1PhD Scholar, Department of Economics.,
National College of Business Administration & Economics, Lahore
2Head of Department, Department of Economics,
National College of Business Administration & Economics, Lahore
ABSTRACT
Global climate change is a change in the long-term weather patterns that characterize the regions
of the world. In the long run, the climatic change could affect agriculture in several ways such as
quantity and quality of crops in terms of productivity and growth rate. This study investigates the
impact of climate change, cereal production and economic growth in East Asia & Pacific, Latin
America & Caribbean, Europe & Central Asia and Sub-Saharan Africa. The study employed the
variables are carbon dioxide emissions, cereal production and GDP growth rate. The results
show that climate change and economic growth is positively related East Asia & Pacific and
Europe & Central Asia, while economic growth and climate change are negatively related in case
of Latin America & Caribbean and Sub-Saharan Africa. There is need to overcome the problem
of climate change in the form of carbon dioxide emissions both in Latin America & Caribbean
and Sub-Saharan Africa.
Keywords: climate change, agricultural production, economic growth, East Asia & Pacific,
Latin America & Caribbean, Europe & Central Asia, Sub-Saharan Africa
1. INTRODUCTION
Today it is believed that the accumulation of carbon dioxide and other greenhouse gases will
lead to global warming and other significant climatic changes over the next century and beyond.
The last 100 years have shown an increase in global mean surface temperature of 0.4 to 0.8°C.
Simulations for the coming 100 years show an increase in global mean surface temperature
ranging from 1.4 to 5.8°C, while the atmospheric CO2 concentration is more than twice the pre
industrial level (IPCC, 2001). Global warming is widely seen as one of the most serious
environmental problem. It affects not only ecosystems by altering the composition of the
vegetation as well as plant, animal diversity and human health, but also economies through a
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variety of channels, such as water resources, agriculture, energy and tourism. Tackling the
problem of future climate change is one of the most challenging issues of this century and has
major implications for policies of development and environmental management.
Figure 1: Situation of Carbon Dioxide Emission (kt) in East Asia and Pacific Region.
Source: Author’s Estimation
Figure-1 shows the situation of carbon dioxide emission of East Asia and Pacific, China, Japan,
Australia, Indonesia, Korea and Malaysia are found in the higher rank with highest values.
Timor-Leste, Palay, Tonga, Nauru and Tuvalu are found in the lower rank with low values of
carbon dioxide emissions. Figure-2 shows the situation of carbon dioxide emission of Latin
America & Caribbean, Brazil, Mexico and Argentina are found in the higher rank with highest
values. Bahamas, Barbados and Antigua & Barbudas are found in the lower rank with low values
of carbon dioxide emissions.
Figure-3 shows the situation of carbon dioxide emission of Europe and Central Asia, Russian
Federation, Germany, France, Italy, Kazakhistan, Poland, Spain, Turky, United Kindom and
Ukrain are found in the higher rank with highest values. Cyprus, Georgia, Lithuania, Stovenia,
Moldova, Montenegro and Tajikistan are found in the lower rank with low values of carbon
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dioxide emissions. Figure-4 shows the situation of carbon dioxide emission of Europe and
Central Asia, Russian Federation, Germany, France, Italy, Kazakhistan, Poland, Spain, Turky,
United Kindom and Ukrain are found in the higher rank with highest values. Cyprus, Georgia,
Lithuania, Stovenia, Moldova, Montenegro and Tajikistan are found in the lower rank with low
values of carbon dioxide emissions.
Figure 2: Situation of Carbon Dioxide Emission (kt) in Latin America and Caribbean.
Source: Author’s Estimation
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Figure 3: Situation of Carbon Dioxide Emission (kt) in Europe and Central Asia Region.
Source: Author’s Estimation
Figure-4 shows the situation of carbon dioxide emission of Europe and Central Asia, Russian
Federation, Germany, France, Italy, Kazakhistan, Poland, Spain, Turky, United Kindom and
Ukrain are found in the higher rank with highest values. Cyprus, Georgia, Lithuania, Stovenia,
Moldova, Montenegro and Tajikistan are found in the lower rank with low values of carbon
dioxide emissions.
The main purpose of this study is to empirically investigate the relationship between CO2
emissions, cereal production and economic growth of East Asia & Pacific, Latin America &
Caribbean, Europe & Central Asia and Sub-Saharan Africa. World Bank has divided the world
into these groups based upon the regions and climatic situations. Among them we select the four
groups of countries. To the best of our knowledge, there has been no study that tried to estimate
these variables for East Asia & Pacific, Latin America & Caribbean, Europe & Central Asia and
Sub-Saharan Africa through linear equation modeling for the year 2014. The paper is organized
in the following manners;
Section-2: Literature review containing predictions and findings.
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Section-3: Material and Methodology.
Section-4: Econometric Analysis.
Section-5: Conclusion along with Policy recommendations.
Figure 4: Situation of Carbon Dioxide Emission (kt) in Sub-Saharan Africa Region.
Source: Author’s Estimation
Figure-4 shows the situation of carbon dioxide emission of Europe and Central Asia, Russian
Federation, Germany, France, Italy, Kazakhistan, Poland, Spain, Turky, United Kindom and
Ukrain are found in the higher rank with highest values. Cyprus, Georgia, Lithuania, Stovenia,
Moldova, Montenegro and Tajikistan are found in the lower rank with low values of carbon
dioxide emissions.
The main purpose of this study is to empirically investigate the relationship between CO2
emissions, cereal production and economic growth of East Asia & Pacific, Latin America &
Caribbean, Europe & Central Asia and Sub-Saharan Africa. World Bank has divided the world
into these groups based upon the regions and climatic situations. Among them we select the four
groups of countries. To the best of our knowledge, there has been no study that tried to estimate
these variables for East Asia & Pacific, Latin America & Caribbean, Europe & Central Asia and
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Sub-Saharan Africa through linear equation modeling for the year 2014. The paper is organized
in the following manners;
Section-2: Literature review containing predictions and findings.
Section-3: Material and Methodology.
Section-4: Econometric Analysis.
Section-5: Conclusion along with Policy recommendations.
1.1 Objectives
Following are the proposed objectives:
To investigate the effect of climate change and agricultural production on economic
growth in East Asia and Pacific.
To investigate the effect of climate change and agricultural production on economic
growth in Europe and Central Asia.
To investigate the effect of climate change and agricultural production on economic
growth in Latin America and Caribbean.
To investigate the effect of climate change and agricultural production on economic
growth in Sub-Saharan Africa.
To provide policy implications.
2. LITERATURE REVIEW
Following are some research work which has done to see the issue of climate change and its
affected dimensions. By examining the literature in perspective to the studied topic help to
displaying the consequences of unsure climate shocks on agricultural efficiency.
Table 1: Predictions and findings in existing literature.
STUDY PREDICTION AND FINDING
Dell, et al. (2008) Increase in temperature leads to increase in economic growth in case of poor
countries.
Janjua, et al. (2010) Climate change has negative effect on wheat production.
Shakoor, et al.
(2011)
Temperature has negative impact on agriculture production.
Siddiqui, et al.
2012
Both in short and in long term the impact of climate change on wheat
productivity is non-negative, while the impact of climate change is negative
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for Rice, Cotton and Sugarcane.
Akram, (2012) Economic growth is negatively affected by changes in temperature,
precipitation and population growth whereas urbanization and human
development stimulates economic growth.
Tariq, et al. 2014 In the irrigated region, rising maximum temperature during January and
November has negative effect, whereas variables such as wheat area,
minimum temperature during November and March are positively related
with wheat production.
Tebaldi and
Beaudin (2015)
Real GDP growth rate decreased by 0.92% in the direct result of spring
droughts in Northeast region
Jammazi & Aloui,
(2015)
The results pointed out the existence of bilateral causal effects between EC
and EG while only a unidirectional relationship was found from EC to CO2
emissions.
Afzal, Ahmed &
Ahmed (2016)
Temperature effects the wheat production negatively at flowering stage
while rainfall effects the wheat production negatively at every stage.
Qureshi, et al.
(2016)
CO2 emissions is positively and energy sources is negatively related wit
agricultural value added. Greenhouse gas emission severely affected the
agricultural production which includes cotton production, rice production
and wheat production.
Arshad, et al.
(2016)
Comparing variation in observed climatic parameters in the year of study to
medium-term patterns, rice, and wheat yields were both negatively affected,
indicative of production risk and of farmers’ limited capacity for within-
season adaptation (South Asia)
Bayramoglu and
Yildirim (2017)
They concluded that energy saving policies such as technological progress
and organizational rearrangements may have the booster effect for impact of
the positive component of energy consumption.
2.1. Conceptual Framework
Conceptual model presented in below figure depicts the linkage between climate change,
agricultural production and economic growth.
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Figure 1: Conceptual framework showing the relationship between variables in the study.
3. METHODOLOGY
Methodology has a very important role in accomplishing the desired objectives of the study
through using various tools & techniques. As the situation of climate change is worsen day by
day all around the world. The selected target research areas in this study are East Asia & Pacific,
Latin America & Caribbean, Europe & Central Asia and Sub-Saharan Africa.
3.1 Study area
World is mainly categorized into seven groups by region (World Bank, 2018)1. The groups are
East Asia and Pacific, Europe and central Asia, Latin America and Caribbean, Middle East and
North Africa, North America, South Asia and Sub-Saharan Africa consist of 38, 58, 42, 21, 3, 8
and 48 countries respectively. In this study we used four groups for analysis, whose countries are
greater than 30 observations because our analysis is basically cross-sectional analysis. In cross-
sectional analysis, required minimum number of observations should be 30.
The categories which are used in the analysis are given below in table with countries name.
East Asia and Pacific
American Samoa Hong Kong SAR,
China Marshall Islands
Palau Papua New Guinea
Australia Indonesia Micronesia, Fed. Sts. Philippines Tonga
Brunei Darussalam Japan Mongolia Samoa Tuvalu
Cambodia Kiribati Myanmar Singapore Vanuatu
China Korea, Rep. Nauru Solomon Islands Vietnam
1 https://data.worldbank.org/country
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Fiji Lao PDR New Caledonia Taiwan, China
French Polynesia Macao SAR, China New Zealand Thailand
Guam Malaysia Northern Mariana
Islands Timor-Leste
Europe and Central Asia
Albania Czech Republic Iceland Moldova Slovenia
Andorra Denmark Ireland Monaco Spain
Armenia Estonia Isle of Man Montenegro Sweden
Austria Faroe Islands Italy Netherlands Switzerland
Azerbaijan Finland Kazakhstan Norway Tajikistan
Belarus France Kosovo Poland Turkey
Belgium Georgia Kyrgyz Republic Portugal Turkmenistan
Bosnia and
Herzegovina Germany Latvia Romania Ukraine
Bulgaria Gibraltar Liechtenstein Russian Federation United Kingdom
Channel Islands Greece Lithuania San Marino Uzbekistan
Croatia Greenland Luxembourg Serbia
Cyprus Hungary Macedonia, FYR Slovak Republic
Latin America & the Caribbean
Antigua and
Barbuda Cayman Islands El Salvador Panama Suriname
Argentina Chile Grenada Paraguay Trinidad and Tobago
Aruba Colombia Guatemala Peru Turks and Caicos
Islands
Bahamas, The Costa Rica Guyana Puerto Rico Uruguay
Barbados Cuba Haiti Sint Maarten (Dutch
part) Venezuela, RB
Belize Curacao Honduras St. Kitts and Nevis Virgin Islands (U.S.)
Bolivia Dominica Jamaica St. Lucia
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Brazil Dominican
Republic Mexico
St. Martin (French
part)
British Virgin
Islands Ecuador Nicaragua
St. Vincent and the
Grenadines
Sub-Saharan Africa
Angola Congo, Dem. Rep. Guinea-Bissau Namibia South Sudan
Benin Congo, Rep Kenya Niger Sudan
Botswana Côte d'Ivoire Lesotho Nigeria Swaziland
Burkina Faso Equatorial Guinea Liberia Rwanda Tanzania
Burundi Eritrea Madagascar São Tomé and
Principe Togo
Cabo Verde Ethiopia Malawi Senegal Uganda
Cameroon Gabon Mali Seychelles Zambia
Central African
Republic Gambia, The Mauritania Sierra Leone Zimbabwe
Chad Ghana Mauritius Somalia
Comoros Guinea Mozambique South Africa
3.2 Data and Variables
In the study we used secondary data which is collected from World Development Indicators
(WDI), 2014. Variables which are utilized to fulfill the desired objectives of the study are carbon
dioxide emissions, agricultural land, cereal production, infant mortality rate and economic
growth. We use carbon dioxide emissions as a proxy variable for climate change because among
total greenhouse gases, the concentration of carbon dioxide is higher as compared to other gases.
Concentration of CO2, out of overall GHG is greater as compared to other gases, concentration of
CO2 is 0.48% in Pakistan, 6.8% in India, 15% in USA and 30% in China.
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4. ECONOMETRIC TECHNIQUES
4.1 Descriptive Analysis
Table 2: Descriptive Statistics of East Asia and Pacific.
GDP Growth
Annual (%)
Cereal Production
(Metric tons)
CO2 Emissions
(kt)
Mean 4.72 36284787 466510.4
Median 3.40 3555033 14974.19
Maximum 36.52 5.57E+08 10291927
Minimum -2.34 0.000000 11.00100
Std. Dev. 6.73 1.13E+08 1873284.
Skewness 3.715 4.322650 5.051813
Kurtosis 18.49 20.42103 27.00054
Probability 0.000 0.000000 0.000000
Sum 136.98 8.71E+08 13995311
Sum Sq. Dev. 1270.19 2.94E+17 1.02E+14
Table-2 shows the descriptive statistics of the main studied variables used for East Asia and
Pacific’s countries. In case of GDP growth rate, mean value is 4.72, median is 3.40, minimum
value of GDP growth rate is -2.34 while the maximum value is 36.52 and Standard deviation of
GDP growth rate is 6.73. It is shown in the table that means value cereal production in case of
East Asia and Pacific countries is 36284787, median is 3555033 and standard deviation is
1.13E+08. Mean CO2 emission is 466510.4 while median, maximum, minimum and standard
deviation are 14974.19, 10291927, 11.001 and 1873284 respectively.
Table 3: Descriptive Statistics of Latin America and Caribbean.
GDP Growth
Annual (%)
Cereal Production
(Metric tons)
CO2 Emissions
(kt)
Mean 2.56 7994532. 64801.71
Median 3.05 838643.0 8800.800
Maximum 7.60 1.01E+08 529808.2
Minimum -3.89 74.00000 209.0190
Std. Dev. 2.766068 21557643 132307.9
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Skewness -0.304603 3.408223 2.711883
Kurtosis 2.730748 14.06245 9.339381
Probability 0.764888 0.000000 0.000000
Sum 74.26448 2.32E+08 1879249.
Sum Sq. Dev. 214.2316 1.30E+16 4.90E+11
Table-3 shows the descriptive statistics of the main studied variables used for Latin America and
Caribbean countries. In case of GDP growth rate, mean value is 2.56, median is 3.05, minimum
value of GDP growth rate is -3.89 while the maximum value is 7.60 and Standard deviation of
GDP growth rate is 2.76. It is shown in the table that mean value cereal production in case of
East Asia and Pacific countries is 7994532, median is 838643 and standard deviation is
21557643. Mean value of CO2 emission is 64801.71 while median, maximum, minimum and
standard deviation are 8800.80, 529808.2, 529808.2 and 209.01 respectively.
Table-4 shows the descriptive statistics of the main studied variables used for Europe and Central
Asian countries. In case of GDP growth rate, mean value is 2.31, median is 8.32, minimum value
of GDP growth rate is -6.55 while the maximum value is 8.32 and Standard deviation of GDP
growth rate is 2.51. It is shown in the table that mean value cereal production in case of Europe
and Central Asian countries is 12850125, median is 4197476 and standard deviation is
21245541. Mean value of CO2 emission is 134025.1 while median, maximum, minimum and
standard deviation are 42251.17, 1705346, 2211.201 and 276315.2 respectively.
Table 4: Descriptive Statistics of Europe and Central Asia
GDP Growth
Annual (%)
Cereal Production
(Metric tons)
CO2 Emissions
(kt)
Mean 2.319026 12850125 134025.1
Median 1.987559 4197476. 42251.17
Maximum 8.328387 1.03E+08 1705346.
Minimum -6.552619 7362.000 2211.201
Std. Dev. 2.515469 21245541 276315.2
Skewness -0.452273 2.621019 4.355030
Kurtosis 5.541074 9.901719 24.27941
Probability 0.000938 0.000000 0.000000
Sum 106.6752 5.91E+08 6165155.
Sum Sq. Dev. 284.7413 2.03E+16 3.44E+12
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Table 5: Descriptive Statistics of Sub-Saharan Africa
GDP Growth
Annual (%)
Cereal Production
(Metric tons)
CO2 Emissions
(kt)
Mean 4.912276 3493771. 18937.03
Median 4.901067 1427435. 3085.781
Maximum 10.25749 24495794 489771.9
Minimum 0.611213 762.0000 113.6770
Std. Dev. 2.454265 5769444. 77828.56
Skewness -0.043155 2.629374 5.767173
Kurtosis 2.443642 9.330749 35.25217
Probability 0.767856 0.000000 0.000000
Sum 196.4910 1.40E+08 757481.2
Sum Sq. Dev. 234.9132 1.30E+15 2.36E+11
Table-5 shows the descriptive statistics of the main studied variables used for Sub-Saharan
Africa. In case of GDP growth rate, mean value is 4.91, median is 4.90, minimum value of GDP
growth rate is 0.61 while the maximum value is 10.25 and Standard deviation of GDP growth
rate is 2.45. It is shown in the table that mean value cereal production in case of Europe and
Central Asian countries is 3493771, median is 1427435 and standard deviation is 5769444. Mean
value of CO2 emission is 18937.03 while median, maximum, minimum and standard deviation
are 3085.78, 489771.9, 113.677 and 77828.56 respectively.
4.2 Regression Analysis
The relationship between carbon dioxide emissions, agricultural production and economic
growth can be expressed in a linear relationship as shown:
(GDP)i = α0 + β1 (CO2)i + β2 (CP)i + ε ……………(1)
Here; GDP= GDP growth rate (%)
CO2= Carbon Dioxide Emission (kt)
CP = Cereal Production (metric tons)
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Table 6: Impact of Carbon Dioxide Emissions on Cereal Production
and Economic Growth in East Asia and Pacific.
Dependent Variable = GDP Growth Annual (%)
Independent
Variables
Co-efficient Standard Error t-statistics p-value
Agriculture Land 0.077744 0.035460 2.192433 0.0445
Cereal Yield 0.000562 0.000316 1.778158 0.0956
CO2 emission 1.20E-07 2.90E-07 0.415779 0.6835
Infant Mortality Rate 0.124707 0.043584 2.861296 0.0119
Constant -2.879425 2.042039 -1.410074 0.1789
R-square = 0.48
F-statistics = 3.461
Prob = 0.0341
The regression model in Table 6 shows the relationship between carbon dioxide emissions,
cereal yield and economic growth of East Asia and Pacific countries. The results show that
carbon dioxide emissions and cereal yield have positive relationship with economic growth, with
the increase in carbon dioxide emissions and cereal yield, economic growth tends to increase.
Here in the model agricultural land and infant mortality rate act as a control variable. The
coefficient values indicate that when there will be 1% increase in carbon dioxide emissions and
cereal yield, economic growth will tend to increase by 0.0001% and 0.0007% respectively. As
per values of F-statistics and concerning p-values, it is evident that the econometric model is fit.
The value of R-square is 48%. Agricultural land, cereal yield and infant mortality rate are
statistically significant while the CO2 emission shows the insignificant result in case of East Asia
and Pacific countries.
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Table 7: Impact of Carbon Dioxide Emissions on Cereal Production and
Economic Growth in Latin America and Caribbean.
Dependent Variable = GDP Growth Annual (%)
Independent Variables Co-
efficient
Standard
Error
t-statistics p-value
Agriculture Land 0.034687 0.022855 1.517743 0.1427
Cereal Production 7.69E-09 4.38E-08 0.175370 0.8623
CO2 emission -9.37E-06 7.27E-06 -1.288859 0.2103
Crude Death Rate -0.704586 0.313758 -2.245638 0.0346
Infant Mortality Rate 0.143313 0.071124 2.014961 0.0557
Constant 4.314324 2.558981 1.685954 0.1053
R-square = 0.38
F-statistics = 2.8
Prob = 0.036
The regression model in Table 7 shows the relationship between carbon dioxide emissions,
cereal production and economic growth of Latin America and Caribbean countries. The results
show that carbon dioxide emissions have negative relationship with economic growth, with the
decrease in carbon dioxide emissions, economic growth tends to reduce. Cereal production has
positive relationship with economic growth, with the increase in cereal production economic
growth will increase. Here in the model agricultural land, crude death rate and infant mortality
rate act as a control variable. The coefficient values indicate that when there will be 1% increase
in carbon dioxide emissions and cereal yield, economic growth will tend to decrease by 0.0006%
and increase by 0.0009% respectively. As per values of F-statistics and concerning p-values, it is
evident that the econometric model is fit. The value of R-square is 38%.
The regression model in Table 8 shows the relationship between carbon dioxide emissions,
cereal production and economic growth of Europe and Central Asian countries. The results show
that carbon dioxide emissions have positive relationship with economic growth, with the increase
in carbon dioxide emissions, economic growth tends to enhance. Cereal production has negative
relationship with economic growth. Here in the model agricultural land, crude death rates and
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infant mortality rate act as a control variable. The coefficient values indicate that when there will
be 1% increase in carbon dioxide emissions and cereal yield, economic growth will tend to
increase by 0.00004% and decrease by 0.0007% respectively. As per values of F-statistics and
concerning p-values, it is evident that the econometric model is fit. The value of R-square is
40%. CO2 emission, Agricultural land, cereal yield and crude death rate are statistically
significant while infant mortality rate shows the insignificant result in case of Europe and Central
Asian countries.
Table 8: Impact of Carbon Dioxide Emissions on Cereal Production
and Economic Growth in Europe and Central Asia.
Dependent Variable = GDP Growth Annual (%)
Independent Variables Co-
efficient
Standard
Error
t-statistics p-value
Agriculture Land 0.037261 0.018211 2.046032 0.0474
Cereal Production -7.73E-08 2.99E-08 -2.588517 0.0134
CO2 emission 4.44E-06 2.24E-06 1.982981 0.05443
Crude Death Rate -0.259368 0.131193 -1.976995 0.0550
Infant Mortality Rate 0.063026 0.044971 1.401469 0.1688
Constant 3.137977 1.629912 1.925243 0.0613
R-square = 0.40
F-statistics = 5.268
Prob = 0.0008
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Table 9: Impact of Carbon Dioxide Emissions on Cereal Production
and Economic Growth in Sub-Saharan Africa.
Dependent Variable = GDP Growth Annual (%)
Independent Variables Co-
efficient
Standard
Error
t-statistics p-value
Agriculture Land -0.002275 0.020386 -0.111598 0.9118
Cereal Production 2.19E-07 7.42E-08 2.948191 0.0057
CO2 emission -1.22E-05 6.11E-06 -1.991851 0.0545
Crude Death Rate -0.150000 0.368195 -0.407394 0.6863
Infant Mortality Rate 0.023368 0.047693 0.489974 0.6273
Constant 4.689068 1.773033 2.644659 0.0123
R-square = 0.25
F-Statistics = 2.293
Prob = 0.0671
The regression model in Table 9 shows the relationship between carbon dioxide emissions,
cereal production and economic growth of Sub-Saharan African countries. The results show that
carbon dioxide emissions have negative relationship with economic growth, with the decrease in
carbon dioxide emissions, economic growth tends to reduce. Cereal production has positive
relationship with economic growth, with the increase in cereal production economic growth will
increase. Here in the model agricultural land, crude death rates and infant mortality rate act as a
control variable. The coefficient values indicate that when there will be 1% increase in carbon
dioxide emissions and cereal yield, economic growth will tend to decrease by 0.0001% and
increase by 0.0002% respectively. As per values of F-statistics and concerning p-values, it is
evident that the econometric model is fit. The value of R-square is 25%. CO2 emission,
Agricultural land, cereal yield and crude death rate are statistically significant while infant
mortality rate shows the insignificant result in case of Sub-Saharan African countries.
5. CONCLUSION
The study attempts to investigate the interrelationship between carbon dioxide emissions, cereal
production/yield and economic growth of different groups of countries worldwide. These groups
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are categorized on the bases of regions, developed by World Bank. Different regions of world
have different situation of climatic change. According to results, climate change and economic
growth is positively related East Asia & Pacific and Europe & Central Asia, while economic
growth and climate change are negatively related in case of Latin America & Caribbean and
Sub-Saharan Africa. The reason behind this scenario might be that East Asia & Pacific and
Europe & Central Asia are the groups of those countries which control the carbon dioxide
emissions, adopted those technology which are produce low carbon emissions. While the Latin
America & Caribbean and Sub-Saharan Africa are the group who do not opt the latest
technologies to reduce the carbon dioxide production. There is need to overcome the problem of
climate change in the form of carbon dioxide emissions both in Latin America & Caribbean and
Sub-Saharan Africa. Government of these economies should focus on controlling CO2 to
improve the economic growth of particular economies.
REFERENCES
Afzal , M., Ahmed, T., & Ahmed , G. (2016). Empirical Assessment of Climate Change on
Major Agricultural Crops of Pakistan. Munich Personal RePEc Archive MPRA Paper No.
70958.
Arellano, M., Bond, S., 1991. Some Tests of Specification for Panel Data: Monte Carlo Evidence
and An Application to Employment Equations. Rev. Econ. Stud. 58, 277– 297.
Calzadilla, A., Zhu, T., Rehdanz, K., Tol, SJR., & Ringler, C. (2008). Economic-wide Impacts of
Climate Change on Agriculture in Sub-Saharan Africa. University of Hamburge Working
Paper FNU-170, Hamburg, Germany.
Dell, Melissa, Benjamin F. Jones, and Benjamin A. Olken. (2008). Climate Shocks and
Economic Growth: Evidence from the Last Half Century, NBER Working Paper 14132.
Government of Pakistan (2016). Economic Survey of Pakistan, Federal Bureau of Statistics,
Statistics Division, Ministry of Economic Affairs and Statistics, Islamabad, Pakistan.
IFAD (2015). Climate Change Impacts-South Asia.
IPCC (Intergovernmental Panel on Climate Change). (2007). IPCC Fourth assessment report:
Climate change 2007. Synthesis report summary for policy makers. Geneva: IPCC.
Janjua, P. Z., Samad, G., & Khan, N. U. (2010). Impact of Climate Change on Wheat
Production: A Case Study of Pakistan. The Pakistan Development Review, 799-822.
Qureshi, M. I., Awan, U., Arshad, Z., Rasli, A. M., Zaman, K., & Khan, F. (2016). Dynamic
Linkages among Energy Consumption, Air Pollution, Greenhouse Gas Emissions and
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Agricultural Production in Pakistan: Sustainable Agriculture Key to Policy success.
Natural Hazards, 367-381.
Shakoor, U., Saboor, A., Ali, I., & Mohsin, A. Q. (2011). Impact of Climate Change on
Agriculture: Empirical Evidence from Arid Region. Pak. J. Agri. Sci, 327-333.
Tebaldi, Edinaldo, and Laura Beaudin. 2016. Climate Change and Economic Growth in Brazil.
Applied Economics Letters 23 (4–6): 377–81
Yang, D. T., & Zhu, X. (2013). Modernization of Agriculture and Long-Term Growth. Journal
of Monetary Economics, 367-382.
Ziervogel, G., Bharwani, S., Downing, T.E. (2006). Adapting to Climate Variability: Pumpkins,
People and Policy. Natural Resources Forum 30:294–305.
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EFFECT OF DIFFERENT MULCHES ON GROWTH
AND YIELD OF TOMATO
M. R. Islam1, M. G. Kibria2, A. K. Das1 and S. D. Setu1
1Scientific Officer, Bangladesh Agricultural Research Institutre, RARS, Barishal-8211
2Principal Scientific Officer, Bangladesh Agricultural Research Institutre, RARS, Barishal-8211
ABSTRACT
The study was conducted at the experimental field of horticulture division, RARS, Rahmatpur,
Barishal during the winter season of 2018-19 to determine the effect of various mulches on
growth and yield of tomato. The treatments of the experiment comprised five mulch materials
viz. Sawdust (5cm thick), Cocodust (5cm thick), Rice husk (5cm thick), Water hyacinth
(chopping and 10cm thick), Black Ploythene with no mulch as control and BARI Tomato 15 as a
variety. Mulching significantly increased the total number of fruit/plant of tomato over bare
plants. The highest number of fruit was recorded in chopped Water hyacinth mulch (28.74) and
the lowest was in treatment control i.e. no mulch (22.80). Similar trend was found in single fruit
weight, being the highest in chopped Water hyacinth mulch (66.24g) lowest was in cocodust
mulch (53.26g). The highest yield was recorded in chopped Water hyacinth mulch (94.96t/ha)
followed by rice husk mulch (81.84t/ha) and the lowest was in control i.e. no mulch (62.86 t/ha).
From 1st year experiment, the study reveals that BARI Tomato 15 can be cultivated using
chopping water hyacinth as a mulch material for higher yield.
Keywords: Tomato, Mulch, Growth and Yield
INTRODUCTION
Tomato (Lycopersicon esculentum) is one of the popular vegetables extensively grown during
the winter season in Bangladesh. It is drawing attention of the growers and consumers and made
its position among the cultivated vegetables. It contributes significantly to the nutrition of the
people as a source of vitamins and minerals. In Bangladesh, congenial atmosphere remains for
tomato production during November to March. It is mainly grown in winter season. Among
various factors responsible for higher yield, supply of nutrient and availability of moisture play
vital role in the production and quality of tomato. Its production can be increased by adopting
improved cultural practices. Mulching is the effective means to reduce weed infestation and
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conserve moisture in the root zone. This practice also encourages deeper and denser rooting.
Mulches have been found to decrease soil moisture losses by reducing soil temperature and
evaporation, promoting favorable soil biotic activities, reducing hard soil setting and contributing
plant nutrients (A. R. Pal et al., 1994; H. S. Bhella, 1994; R. C. Chakraborty, 1994, R. S. Hooda,
1999). Mulching has also been identified by many workers as a method to provide a favourable
soil environment by minimizing crusting at the soil surface and keep it stable (A. P. Mehta,
1973). Little information regarding mulching on tomato cultivation in the southern area is
available. Therefore, the present study was conducted to determine the effect of various mulches
on growth and yield of tomato.
MATERIALS AND METHODS
The experiment was conducted during 2018-19 at Regional Agricultural Research Station,
Rahmatpur, Barishal. The treatments of the experiment comprised five mulch materials viz.
Sawdust (5cm thick), Cocodust (5cm thick), Rice husk (5cm thick), Water hyacinth (chopping
and 10cm thick), Black Ploythene with no mulch as control and BARI Tomato 15 as a variety.
The experimental design was randomized complete block design (factorial) with three
replications. Unit plot size was 4.8m×1m. The seedlings were transplanted on the 24th October,
2018 maintaining a spacing 60cm×40cm. The crop was fertilized with cowdung 10 t/ha, Urea
550 kg/ha, TSP 200 kg/ha, MOP (muriate of potash) 200 kg/ha. Total amount of cowdung, TSP
(triple superphosphate) and 1/3 of each urea and MOP were applied during final land
preparation. The rest of urea and MOP were applied in three equal installments at 15, 30 and 45
days after transplanting. Irrigation was done after application of fertilizer. Other intercultural
operations and plant protection measures were taken as deemed needed. Data was collected on
different yield contributing characters and yield. Recorded data were analysed statistically and
means were compared by LSD (Least Significant Difference) (Gomez & Gomez, 1984).
Table 1: Nutrients status of different fertilizers and soil characteristics
of tomato planted study sites.
Parameters Physico-chemical properties of
study site soil
pH 7.9
Organic carbon (%) 0.90
Total kjeldahl nitrogen (%) 0.081
Total phosphorous (%) 34.0
Total potassium (%) 0.12
Total Zinc (%) 2.05
C/N ratio (%) 19.33
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RESULTS AND DISCUSSION
The results on the effect of different mulch material on the yield and yield components are
presented in Table 2. There are not statistically significant among the parameter of Days to 1st
flower initiation, DAS to 50% flowering, Date of 1st harvest but significantly different among
the other parameters. In case of plant height, there are significantly different among the different
mulches. The tallest plant was recorded in water hyacinth mulches (115.64cm) and shortest plant
was in the treatment control i.e. no mulch (89.17cm).
Table 2: Effect of Mulching on the Yield and Yield Components of Tomato Varieties
Treatment Days to 1st flower
initiation
DAS to 50%
flowering
Date of 1st
Harvest
Plant Height at
1st harvest (cm)
T1 (No mulch) 37.33 47.33 62.33 89.17
T2 (Sawdust) 36.00 46.00 61.00 95.28
T3 (Cocodust) 35.00 45.00 60.00 109.98
T4 (Rice husk) 36.67 46.67 61.67 109.07
T5 (Water hyacinth) 37.67 47.67 62.67 115.64
T6 (Black Ploythene) 35.00 45.00 60.00 98.80
CV (%) 4.20 3.29 2.49 3.10
LSD (0.05) NS NS NS 5.80
Mulching significantly increased the total number of fruit/plant of tomato over bare plants. The
highest number of fruit was recorded in chopped Water hyacinth mulch (28.74) and the lowest
was in treatment control i.e. no mulch (22.80). Similar trend was found in single fruit weight,
being the highest in chopped Water hyacinth mulch (66.24g) lowest was in cocodust mulch
(53.26g). Length and diameter of fruit were found to be insignificant. Yield of tomato
significantly increased in mulches over without mulch. The highest yield was recorded in
chopped Water hyacinth mulch (94.96t/ha) followed by rice husk mulch (81.84t/ha) and the
lowest was in control i.e. no mulch (62.86 t/ha).
Table 2. Cont’d
Treatment No. of
fruit/Plant
Individual
fruit wt.
(g)
Fruit
Length
(cm)
Fruit
Diameter
(cm)
Yield/plot
(kg)
Yield
(t/ha)
T1 (No mulch) 22.80 55.18 5.41 4.63 30.17 62.86
T2 (Sawdust) 25.68 55.63 5.96 4.71 34.29 71.43
T3 (Cocodust) 26.96 53.26 6.15 4.61 34.40 71.68
T4 (Rice husk) 26.24 62.39 6.07 4.77 39.28 81.84
T5 (Water hyacinth) 28.74 66.24 6.06 4.75 45.58 94.96
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T6 (Black Ploythene) 25.06 63.86 6.12 4.56 38.39 79.97
CV (%) 5.45 3.54 5.00 5.48 3.67 3.66
LSD (0.05) 2.57 3.82 NS NS 2.47 5.14
CONCLUSION
This was the 1st year experiment. From 1st year, the study reveals that BARI Tomato 15 can be
cultivated using chopping water hyacinth as a mulch material for higher yield.
REFERENCES
Pal A. R., Baghel S. S., Rathore, et al. Response Management for Rainfed Rice and Ricebased
Cropping Systems. A paper presented at the 29th All India Annual Rice Group Meeting,
Indira Gandhi Agricultural University Raipur (MP), India, 20–22 Mar 1994.
Bhella H. S. Tomato Response of Trickle Irrigation and Black Polyethylene Mulch. J. Amer.
Soc. Hort. Sci. 1988; 113(4): 543–546p.
Chakraborty R. C., Sadhu M. K. Effect of Mulch Type and Colour on Growth and Yield of
Tomato (Lycopersicon esculentum Miller). Indian J. Agric. Sci.1994; 64: 608–612p.
Hooda R. S., Singh J., Malik, V. S., et al. Influence of Direct Seeding, Transplanting Time and
Mulching on Tomato Yield. Veg. Sci. 1999; 26(2): 140–142p.
Mehta A. P., Prihar S. S. Seedling Emergence in Soybean and Cotton as Affected by
Seedbed Characteristics and Surface Mulches. Indian J. Agric. Sci. 1973; 43(1): 45–49p.
Gomez K. A., Gomez A. A. Statistical Procedure for Agricultural Research. 2nd Ed. John
Wiley and Sons, New York. 1984; 67-215p.
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ANALYSIS OF THE EFFECT OF CREDIT ON PER CAPITA ANNUAL
FARM INCOME OF RICE FARMERS; BENEFICIARIES OF SACCO
CREDIT IN BENUE STATE NIGERIA
Okolo Samson Ayegba, Olotu Olafemi Ayopo
Department of Agribusiness, Federal University of Agriculture, Makurdi.
ABSTRACT
The analysis of the effect of credit on per capita farm income of beneficiaries of Savings and
Credit Cooperative in Benue state, Nigeria is the focus of this work. Random and stratified
sampling method was used to select 236 respondents in the study area. Out of the selected
respondents only 208 responded and submitted the administered well structured questionnaires
correctly. Therefore, the study was based on 208 primary data collected from registered SACCO
members in the three Local Government Areas of Benue State. In this study the year 2011 was
used for before credit was obtained and 2015 for after credit was obtained. Descriptive statistics,
double difference estimator, logistic regression analysis and independent sample t-test were used
to achieve the objectives and hypothesis of the study. The result of the double difference estimate
showed that the SACCO credit had a positive effect on the per annual farm income of the
beneficiaries of the credit with per capita annual farm income of ₦4719.86. Sex, education and
household size were significant factors that influence participation in SACCO. The sex is
significant at 5% level of significance while education and household size were significant at 1%
level of significance as obtained from the logistic regression analysis. About 77.3% and 76.2%
of the beneficiaries and non beneficiaries identified and ranked poor access to credit as the major
constraint faced by SACCO. Other cardinal constraints were illiteracy level and high cost of
farm inputs in the order of severity. SACCO executives and the Government should develop
strategies that will bring in more funding, loans and grants to the cooperative consequently
enhance availability of credit to members. This will help members who are smallholder farmers
to become big estate farm holders. It is also possible that more credit availability to members is a
key to poverty reduction due to its positive effect on the increase in per capita annual farm
income as seen in the study.
Keywords: Analysis, annual farm income; rice farmers; constraints; participation; Benue State
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INTRODUCTION
Benue state is known to be a state engaging more than 70 percent of its population in agriculture;
agriculture is the back bone of the economy of the state (Ajaero, 2007). The performance in
agriculture is relatively average and dwindling due to the poor agricultural finance. The
research on the poverty reduction among rice farmers is very important since rice is a major
staple in the study area.
Rice is consumed by more than 4.8 billion people in 176 countries and is the most important
food crop for over 2.89 billion people in Asia, over 40 million people in Africa and over 150.3
million people in America, (Biyi, 2005). According to Jones, (1995), rice is the second most
important cereal in the world after wheat in terms of production; while Nigeria ranks the highest
as both producer and consumer of rice in the West Africa sub region. Akande and Akpokodje
(2003) opined that, since the mid-1970s, rice consumption in Nigeria has risen tremendously, at
about 10% per annum due to changing preferences while domestic production has never been
able to meet the demand leading to considerable imports which today stands at about 1,000,000
metric tons yearly. The imports are procured on the world market with Nigeria spending
annually over US $300 million on rice imports alone. Similarly, Biyi (2005) observed that the
annual domestic output of rice still hovers around 3 million metric tons, leaving the huge gap of
about 2 million metric tons annually, a situation, which has continued to encourage dependence
on importation. This calls for the need to finance the rice farmers via the umbrella of the savings
and credit cooperatives. With adequate financing of the SACCO it is very possible to meet the
demand for rice in Nigeria and subsequently reduce poverty from rice farm families.
Therefore, the need for farmers to come together and form an autonomous association of
individuals, voluntarily united to meet their common economic, social and cultural needs
through a jointly-owned and democratically controlled enterprise (International cooperative
alliance, 1996). According to the global Multidimensional Poverty Index, International
Monetary Fund (IMF) report by the United Nations (2015) the national average of poverty rate
is 46.0%, the national proportion of those living above the poverty line is 54%. Benue State
ranked 24th amongst the states living above the poverty line with 40.8% above the line and about
59.2% living below the poverty line.
Savings and credit Cooperatives (SACCO) are important in the provision of financial and
banking services to low income households who for economic reasons cannot be covered by the
activities of formal banks and financial institutions (Mwakajuilo, 2011). SACCO performs three
major functions in relations to its members and general economic development of the country.
These functions are collecting savings, giving credit and giving financial and non- financial
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advice to its members in order to facilitate and ensure that SACCO members utilize the micro
credit they have borrowed from SACCO.
In some cases, some government and private institutions may also give financial assistance to
SACCO in order to enable them give micro credit to their members (Mwakajumilo, 2011). He
further posited that the different activities done by households in both urban and rural areas also
mean the existence of different SACCO with the aim of assisting the Government to reduce high
level of poverty and income inequality in the society.
Unemployment breeds a lot of private and social consequences which are negative (Alam,
Khalifa, and Shahjamal, 2009; Alam, 2009). These include poverty, crime, social inequality, loss
of output, family disintegration, among others. Governments all over the world make concerted
efforts to mitigate these problems (Alam, 2009). In Nigeria several efforts have been made to
create jobs for the teaming able bodied people who are available for work but who are yet to find
jobs (Goodluck, 2011). One key source of unemployment in Nigeria is dearth of capital required
to combine with other factors of production, which are land, labor and entrepreneurship
(Nieman, Hough, and Niewenhuizen, 2003). Although growth is critical for poverty reduction,
focus on growth alone is not enough (Almas, 2013). Micro-lending has been considered as the
latest panacea for poverty alleviation (Magbagbeola, Adetoso, and Owolabi, 2010). Cooperative
societies all over the world have been seen as one of the ways of reaching out to the un-banked
and the neglected in the society and not a few have come to see it as an alternative to the regular
banking, since it, in most case provides members of the group with the financial incentives
without the rigors usually experienced in banking halls (Adewakun, 2012). Traditional
cooperatives are common throughout Nigeria, but these groups tend to be small, with a common
bond based on membership of a kinship, societal and low professional group (Adewakun, 2012).
Saving and credit cooperatives Societies are known to provide funding to their members at
reasonable interest rate and without requirement of collateral. They are therefore vital organs for
financing food crop production (Mavimbela, Masuku, and Belete, 2010).
OBJECTIVES
i. To examine the effect of credit on the annual farm income of beneficiaries and non-
beneficiaries of SACCO credit;
ii. To determine the factors influencing the participation and intensity of participation in
SACCO; and
iii. To identify the constraints faced by beneficiaries and non-beneficiaries of SACCO
credit in poverty reduction in the study areas.
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STATEMENT OF HYPOTHESIS
There is no significant difference between the per capita annual farm income of beneficiaries and
non-beneficiaries of SACCO Credit
METHODOLOGY
Study Area
Benue State, the State lies between Latitudes 6025ꞌN and 808ꞌN of the equator and Longitudes
7047ꞌ and 10ᵒE. (Ministry of land and survey, 2016). It has a total land-area of about 33,955
square kilometers with a population of 4,253,641 (NPC, 2006), with an average population
density of 99 persons per square kilometer. The State is blessed with a great loamy soil for
agricultural activities. It is one of the 36 states of Nigeria, It comprises 23 Local Government
Areas (LGAs) grouped into 3 agricultural zones; A, B, C, respectively. The major food crops
produced are yam, rice, cassava, maize, soybean, sesame, cowpea and groundnut at subsistence
level. At the end of 2011, the poverty rate of Benue State was estimated at 31.9% (National
Bureau of Statistics, 2012). Meanwhile at the end of 2015 the poverty rate of Benue State was
estimated to be 59.2% based on data collected between 2004 and 2014 (Multidimensional
Poverty Index, 2015) published by the United Nations.
There are areas of low population density such as Guma, Gwer East, Ohimini, Katsina-ala, Apa,
Logo, and Agatu, each with less than seventy persons per square kilometers, while Vandeikya,
Okpokwu, Ogbadibo, Obi, and Gboko have density ranging from 140 persons to 200 persons per
square kilometer. Makurdi LGA has over 380 persons per square kilometers. The study used
zones (A, B, C) in the State to ease sample design and research instrument distribution. Zone A
had the following Local Government Areas: Katsina- ala, Konshisha, Kwande, Logo, Ukum,
Ushongo,Vandeikya. Zone B comprises Buruku, Gboko, Guma, Gwer- West, Gwer and Makurdi
LGAs. Lastly Zone C comprises Agatu, Apa, Obi, Oju, Ogbadibo, Okpokwu, Otukpo LGAs.
Population and Sampling Procedures
Three Local Government Areas where rice cultivation was considerably high were selected, each
from an agricultural zone in the State. The questionnaire was distributed to few active rice
cooperatives whose major focus was solely on rice farming. The active rice cooperatives are
distributed in the three LGAs viz; 9 in Katsina Ala, 82 in Makurdi and 10 in Agatu respectively.
From these we have the following population for each LGA who are active with members
participation measured by their contributions; Katsina Ala- 423 cooperators, Makurdi- 621
cooperators and Agatu- 167 cooperators Desk officer rice cooperative societies BSMANR,
(2017). From the cooperatives actively participating in rice farming, few cooperatives that were
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accessible filled the questionnaire distributed, the following sample frame were taken: Katsina
Ala with 80 registered member rice farmers, Makurdi with 123 registered member rice farmers
and Agatu with 63 registered member rice farmers all with beneficiaries and non beneficiaries
inclusive respectively. A random sampling technique was used to select respondents for this
study. The first stage was done by the selection of these three (3) local government areas because
of the availability of more members of Savings and Credit Cooperative (SACCO) with
documented records among the three agricultural zones of the state. At the end of the
questionnaire administration, out of the 236 questionnaire administered, 208 were correctly filled
and returned. Therefore the analysis was based on 208 completed rice farmers data collected. 128
of the beneficiaries and 80 of the non beneficiaries of SACCO credit made up the 208 completed
questionnaires.
Data Collection and Analysis
Primary data was used for this study. These were collected with the aid of structured
questionnaire. Data was collected from 236 rice farmers using a structured questionnaire. Out of
the 236 questionnaire 208 were retrieved correctly completed. Information collected include: the
demographic details of beneficiaries and non-beneficiaries of SACCO credit. Double difference
estimator was used to analyze the effect of credit on the poverty level or income of beneficiaries
and non – beneficiaries of SACCO Credit. Logistic regression analysis was adopted to determine
the factors that influence the level of participation of members in saving and credit cooperatives.
Amount of contribution by members of savings and credit cooperative societies was used here as
proxy for the level of participation of members in saving and credit cooperatives. Descriptive
statistics was used to describe the level of constraint of beneficiaries of the SACCO credit in the
study area.
Double difference estimate
This was used to achieve objective (iv) that is to analyze the effect of credit on the poverty level
of beneficiaries and non – beneficiaries of SACCO Credit. Per capita annual farm income stood
as a proxy for Poverty Status.
The model is specified as:
DDE = [(1
𝑝∑ (�̅�𝑡𝑖𝑎 − �̅�𝑡𝑖𝑏)𝑝
𝑖 ) − (1
𝑐∑ (�̅�𝑜𝑗𝑎 − �̅�𝑜𝑗𝑏)𝑐
𝑗 )] ………………..( viii)
Where:
�̅�𝑓𝑖𝑎 − �̅�𝑓𝑖𝑏 = difference of per capita annual farm income for beneficiaries after and before
obtaining credit respectively
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�̅�𝑜𝑗𝑎 − �̅�𝑜𝑗𝑏 = difference of per capita annual farm income for non-beneficiaries after and before
obtaining credit respectively
P= number of beneficiaries
C= number of non- beneficiaries
DDE = the difference between the mean changes in per capita annual farm income for
beneficiaries and non- beneficiaries.
Logistic Regression Model
This helped to achieve objective (v) that is to determine the factors that influence the level of
participation of members in saving and credit cooperatives.
Amount of contribution by members of savings and credit cooperative societies was used here as
proxy for the level of participation of members in saving and credit cooperatives.
The regression model specification is:
Y = 𝛽0 +𝛽1X1 +𝛽2X2 +𝛽3X3 +𝛽4X4 +𝛽5X5 +𝛽6X6 +𝛽7X7 ++u…….(xi)
Where
Yi = Amount of contribution by members (Naira)
X1 = Age (years)
X2 = sex (Male=1, Female=0)
X3 = Occupation (farming= 1 non- farming=0).
X4 = Household Size (Number of persons)
X5 = Education (years of schooling)
X6 = Total Farm Income (Naira)
X7 = Total Non -Farm Income (Naira)
𝛽i = the coefficients for the respective variables
Dependent and Independent Variables
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Variable specification
1. Amount of contribution(Y): this served as proxy for the level of participation of
members in savings and credit cooperative societies as the dependent variable. This is the
amount of money contributed by members of savings and credit cooperative societies on
monthly basis.
2. Age(X1): This is the age of the household head in years. An inverse relationship is
expected between the age and the level of participation of members in savings and credit
cooperative societies. It is expected that as farmers grow older they reduce farming
activities due to the energy involve in carrying out farm activities.
3. Sex (X2): The sex of the respondents is included in the model. A direct relationship is
expected between sex and the level of participation of members in savings and credit
cooperative societies.
4. Secondary occupation(X3): this is the economic activities engaged by farmers apart
from farming noted as non farming activities. These include trading, artisans, fishing and
civil servant. This variable is expected to have a positive relationship between income
and participation of members in the cooperative.
5. Household size (X6):thisis the total numbers in the household of the farmer (wives,
children, and other dependents) living in a household at the time of investigation. A direct
relationship is expected between the household size and the level of participation of
members in savings and credit cooperatives.
6. Educational level (X7): This is the number of years that the household head had spent in
formal school, which will be stated as primary education, secondary education and
tertiary education. A direct relationship is expected between the savings and credit
cooperatives.
7. Income (X6 and X8): This is the income (both farm and non-farm) according to the
respondents over a period. A direct relationship is expected between the income (both
farm and non- farm) and the level of participation of members in credit cooperatives.
8. Interest rate (X8): this is the amount of interest charged on the credit, measured in naira.
An inverse relationship is expected between the interest rate charged on credit and the
level of participation of members in savings and credit cooperatives. It is removed since
it is zero for the non beneficiaries.
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Test of difference
Independent sample t-test was used in testing the two hypotheses for this study. That is use of
credit has no significant effect on crop output and there is no significant difference between per
capita annual farm income of beneficiaries and non-beneficiaries of SACCO Credit. The per
capita annual farm income is to be used as proxy for poverty status. It is intended to be used for
before-and-after observations on the same subjects.
The model is specified as follows:
t = �̅�1−�̅�2
√𝑆12
𝑛+
𝑆22
𝑛
…………………………………………………………. (x)
�̅�1 = mean crop output of beneficiaries of SACCO Credit
�̅�2 = mean crop output of non- beneficiaries of SACCO Credit
S12 = variance crop output of beneficiaries of SACCO Credit
S22 = variance crop output of non- beneficiaries of SACCO Credit
n = number of selected members of beneficiaries of SACCO Credit
n = number of selected members of non- beneficiaries of SACCO Credit.
�̅�1 = mean per capita annual farm income of beneficiaries of SACCO Credit
�̅�2 = mean per capita annual farm income of non- beneficiaries of SACCOS Credit
S12 = variance of per capita annual farm income of beneficiaries of SACCO Credit
S22 = variance of per capita annual farm income of non- beneficiaries of SACCO Credit
n = number of selected members of beneficiaries of SACCO Credit
n = number of selected members of non- beneficiaries of SACCO Credit.
RESULT AND DISCUSSION
Effect of credit on the annual farm income of the respondents
Table 1.0 presented the Double Difference estimates of the effect of credit on poverty status of
the respondents in the study area. The average farm income was used as proxy for the poverty
status of the beneficiaries and non beneficiaries of credit. The difference in annual farm income
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of beneficiaries before and after obtaining credit was estimated as ₦29281.74 and ₦51667.31
respectively. The first single difference of the per capita annual farm income after and before
obtaining credit is ₦22385.57 for the beneficiaries of SACCO credit. The non beneficiaries had
₦38991.39 and ₦56657.10 as the per capita annual farm income difference for before and after
credit. The value of the second single difference of the per capita annual farm income for after
and before credit is ₦17665.71 for the non beneficiaries. The difference between the two per
capita annual farm incomes which is the single differences of the beneficiaries and the non
beneficiaries is (₦22385.57-₦17665.71) is ₦4719.86. As stated in the model specification; a
positive double difference estimate of per capita annual farm income value for beneficiaries and
non beneficiaries before and after obtaining SACCO credit indicates a positive effect of credit on
the poverty status of the beneficiaries in the study area. The positive value of the double
difference indicates an increase in the per capita annual farm income of the beneficiaries of the
SACCO credit. The implication is that credit had positive effect on the per capita annual farm
income of beneficiaries of credit Nkonya et al., (2008).
Table 1: Double Difference Estimates of the Effect of SACOO credit on
poverty status of beneficiaries and non beneficiaries
Group per capita annual farm income
Before (₦) After (₦) Difference
Beneficiaries 29281.74 51667.31 22385.57
Non Beneficiaries 38991.39 56657.10 17665.71
Group difference 9709.65 4989.79 4719.86
Source: Field survey 2017
The test of hypothesis carried on the per capita annual farm income of beneficiaries and non
beneficiaries before and after obtaining credit showed that the value of the difference between
the per capita annual farm income of beneficiaries has a positive value 4719.86 therefore
indicates that beneficiaries of credit had more positive increase in per capita annual farm income
than the non beneficiaries of credit. The F-value is 14.413 is positive and significant at one
percent (1%) indicating that all the management variables put together had effect on the per
capita annual farm income of beneficiaries of credit. The use of credit therefore, makes a
difference in the level of per capita annual farm income of beneficiaries as compared to non
beneficiaries. Since there is a significant difference in the per capita annual farm income of
beneficiaries compared to non beneficiaries, the null hypothesis which states that there is no
significant difference between the per capita annual farm income of beneficiaries and non
beneficiaries of SACCO credit was rejected.
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Factors influencing Participation in Savings and Credit Cooperative
Farm credit has been, over the years, recognized as one of the major input for reviving the
agricultural sector in Nigeria (CBN, 2005). This is obvious because it increases the level of
productivity, farm profit, and efficiency, this enhances standard of living in the rural areas (Abu,
Odoemenem & Ocholi, 2011). Therefore, farm credit is one of the crucial inputs considered
fundamental in agricultural production (Omonona et al., 2010). Majorly, it has been perceived
that it is the need for credit and easy access to this credit that motivates participation in the
SACCO by farmers. The factors that influence participation of farmers in the SACCO are
determined using the amount of contribution by members as proxy. This is because the
cooperative believes that all committed and registered active members must be involve in the
monthly contribution otherwise seen as non members. The factors influencing participation is
presented in table 2.0.
The model was statistically significant at 5 percent level of significant, a positive R square value
of 0.513. This implies that a joint effect of most of the variables influences the participation of
members in SACCO. The nine (9) variables were included in the regression model had positive
coefficients. The variables sex, education and household size were found to be statistically
significant at 5 percent and 1 percent level of significance respectively.
The positive significant coefficient on sex indicates that male sex has higher probability of
participating in SACCO programme than being female. As included in the model, the sex from
the a priori expectation which was stated to have a direct relationship with the level of
participation is true with a positive value and significant at 5 percent.
The household size had a positive significant coefficient indicating that higher number of
persons in the household increases the probability of participation in SACCO than lower number
of persons in the household. The pursuit for assistance to take care of the members of the
household makes the farmer seek and take credit from the cooperative as a source of support to
farm income. The positive household size value is statistically significant at 1 percent and
conforms to the a priori expectation that a direct relationship is expected between the household
size and the level of participation of members in savings and credit cooperative. It indicates that
the household size had an influence on the level of participation of members in SACCO NBS
(2007).
According to Elsie (2006); and Sivaram (2000) the level of education plays a significant role in
the participation of members in SACCO. The level of education is statistically significant at 1
percent. This agrees with the finding from the positive value of the educational status and show a
direct relationship with the level of participation of respondents in SACCO as stated in the a
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priori expectation. It shows that the level of education determines the level of awareness on the
importance of participating in cooperatives.
The household income is positive, therefore plays a significant role in farmers participation in
the SACCO. These can be seen in two different ways; from the interaction with cooperators,
majority of them belong to the cooperative for them to save in a form of contribution to the
cooperative by saving proceeds from their rising farm income which is in turn seen as their
shares. Contribution of members is a criterion for commitment to their participation. Why others
participate as a means to improve their per capita annual farm income by benefiting from the
SACCO credit. Thus the result conforms to the a priori expectation of a direct relationship
between the income and level of participation of members in credit cooperatives.
It was found that the coefficient of the non farm income had a positive value and conforms to the
a priori expectation. Farmers who engage in other occupation have other source of income; this
encourages more tendencies to save. The participation level of those with other source of income
order than farm income help them to save the rising income from farming and other secondary
source.
The coefficient of age is positive, indicating a direct relationship between age of respondents and
their participation in the credit cooperatives. This implies that as they grow older, they
participate in the cooperative more due to either the need to get support in terms of credit or to
save rising income generated from farming or other non-farm activities. But the result is contrary
to the a priori expectation which states an inverse relationship between the age of members and
participation in the credit cooperatives. It is rather in conformity to the finding by Idrisa (2007),
Arayesh and Mammi (2010), who reported that educational level, farm and non farm income had
positive relationship and significantly influences the level of participation in cooperative
societies.
Table 2: Logistics Regression Model of Factors influencing
participation of respondents in SACCO
Variables Coefficients Standard Error T-Value
Constant 0.476 1.290 1.610
Sex 0.813* 0.370 2.255
Marital Status -0.360 0.419 0.697
Education 0.138** 0.559 7.148
Household size 0.719** 0.236 5.148
Farming experience 0.059 0.117 1.061
Age 0.293 0.230 1.341
Occupation -0.099 0.461 0.905
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Household income 0.000 0.000 1.000
H. non-farm income 0.000 0.000 1.000
R²
-2log likelihood
Chi-square
0.513
256.194
20.978*
(** Significant level at 1% ⃰significant level at 5%)
Source: field survey 2017
Constraints faced by beneficiaries and non beneficiaries of savings and credit cooperative
In analyzing the constraints of this study, a likert scale was adopted to test the level of the
various limitations caused by the constraints. The result shows that 77.3 percent and 76.2 percent
of the beneficiaries and non beneficiaries are faced with poor access to credit as a major (very
serious factor) constraint to poverty reduction in the study area.
It was found from the result that 57.8 percent and 61.2 percent beneficiaries and non
beneficiaries of the SACCO credit respectively are faced with the constraint of high cost of
inputs. This indicated that high cost of input is one of the major constraints (seriously) affecting
the level of poverty reduction among the rice farmers in the study area.
In the study it was found that 60.9 percent and 78.8 percent of beneficiaries and non beneficiaries
of SACCO credit consider illiteracy level as one of the main constraints (very seriously) to
poverty reduction on rice farmers in the study area. This could be because the level of
educational exposure gained by members of the SACCO is not efficient enough to help them in
innovation adoption. Majority of the members 47 percent and 39 percent of beneficiaries and non
beneficiaries respectively from the field survey have only secondary and primary education.
The study result showed that 43 percent and 53 percent of beneficiaries and non beneficiaries of
SACCO credit see collateral as one of the major constraints (seriously) affecting the level of
poverty reduction among rice farmers in SACCO in the study area. From the survey, it was
found that farmers complain of demand for collateral from financial institutions to access credit.
In most cases, the conditions and categories of collateral demanded from farmers are beyond the
farmers’ asset or available facilities.
The result further disclosed that 52.3 percent and 68.8 percent of the beneficiaries and non
beneficiaries consider government interference from policies and interventions as one of the
constraints (not seriously) affecting the members of the SACCO respectively. This could be
because the government understands that cooperatives are meant to be voluntarily and
democratically run by the members of the organization independent of external leadership and
governance.
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About 35.2 percent and 51.2 percent of the beneficiaries and non beneficiaries of the SACCO
credit consider interest rate as one of the constraints (seriously) affecting the level of poverty
reduction among rice farmers in the study area respectively.
Finally the result showed that 39.1 percent and 61.2 percent of the beneficiaries and non
beneficiaries consider inadequate capital as a constraint yet (not seriously) affecting the level of
poverty eradication of the rice farmers SACCO members in the study area.
The result of the analysis therefore revealed that the constraints faced by the Savings and Credit
Cooperatives are affecting the cooperative in different levels. From the severe to less severe
problems; these can be seen in table 3.0 with poor access to credit (with mean for beneficiaries
and non beneficiaries as 3.711 and 3.750), illiteracy level (3.492 and 3.713), and high cost of
inputs (3.195 and 3.388), collateral(it came as the fourth most server for non beneficiaries and
fifth most severe for beneficiaries of SACCO credit), interest rate (this is the fourth most severe
problem for the beneficiaries and fifth for the non beneficiaries), government interference (2.441
and 1.937 it is also seen as the least of the problems faced by rice farmers cooperators) and
inadequate capital (2.680 and 2.363) respectively as the major constraints faced by the SACCO
members in the study area. This is listed in the order from most severity to less severe problems.
Poor access to credit is ranked as the most server problem faced by both the beneficiaries and
non beneficiaries of credit. This is one of the major functions of the Savings and Credit
Cooperative, making credit available for members to access via collaboration with other
financial outfits or donor agencies.
Table 3: Constraints faced by members of Savings and Credit Cooperative
Constraints
Beneficiaries
Freq % Mean Rank
Non Beneficiaries
Freq % Mean Rank
Poor access to
credit
99 77.3 3.711 1st 61 76.2 3.750 1st
High cost of inputs 74 57.8 3.195 3rd 49 61.2 3.388 3rd
Illiteracy level 78 60.9 3.492 2nd 63 78.8 3.713 2nd
Collateral 55 43.0 2.867 5th 43 53.8 3.012 4th
Government interf 67 52.8 2.441 7th 55 68.8 1.937 7th
High interest rate 45 35.2 2.977 4th 41 51.2 2.650 5th
Inadequate capital 50 39.1 2.680 6th 49 61.2 2.363 6th
Ranking is according to the severity of the constraints 1st to 7th (4= Very seriously, 3= seriously,
2= not seriously and 1= not very seriously)
Source: field survey 2017
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CONCLUSION
The analysis revealed that Savings and Credit Cooperatives have helped the member improve
their livelihood. It has positively changed members’ poverty status by improving per capita
annual farm income of beneficiaries of the SACCO credit. Nevertheless, the beneficiaries and
non beneficiaries had some factors that limited their efforts towards poverty reduction. These
constraints they stated to include poor access to credit, illiteracy level, high cost of inputs and
high interest rate charged on credit. This automatically indicated that the members can achieve
success in fight against poverty but for these constraints. There is room to the reduction of
poverty via the improvement of the per capita annual farm income of the SACCO members in
the study area.
RECOMMENDATION
i. It was revealed that credit had positive effect on out comes by increasing per capita
annual farm income of Savings and Credit Cooperative member who are beneficiaries
of the credit. SACCO executives and the Government should develop strategies that
will bring in more funding; loans and grants to the cooperative consequently enhance
availability of credit to members.
ii. The major constraint identified by members of the Savings and Credit Cooperative
was poor access to credit. Effort should be made to create awareness to the members
of SACCO and other rice farmers in the study area of the availability of formal
agricultural credits such as the current anchor borrowers program, Fadama III project
etc. for rice production.
iii. Farmers need more education by extension services since illiteracy level among rice
famers cooperators is seen as one of the major constraints to high crop output and
increase in farm income. With extension services, even the farmers who have no
formal education will improve their method of farming by adoption of modern
technological innovations.
iv. Farm income and non farm income had positive coefficient and are therefore
significant influence to participation in Savings and Credit Cooperative. SACCO
members therefore need to indulge in some non -farm activities such as trading,
artisan, fishing and even civil service to diversify their income. This will improve
farmers’ per capita annual farm income; hence help in poverty reduction in the study
area.
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REFERENCES
Adebayo, A. and Yusuf, O.R. (2004). Cooperatives and Poverty Alleviation in Rural Settlement
Of Kwara State, Nigeria.
Adewakun, A. (2012), Cooperative as tool for enhancing financial inclusion, African Newspaper
of Nigeria. Oct.13,P1.
Ajaero C. (2007). A brand new image for Benue, Newswatch Magazine (Newswatch
Communications). July 12,2007 from http://www.wikipedia.com
Akende, S.O. and Akpokodje, G. (2003), Rice Prices and Market Integration in Selected Areas in
Nigeria. Agriculture and Rural Development Department Research Report
Albouy, David, 2010. Evaluating the efficiency and equity of federal fiscal equalization, Journal
of Public Economics, Elsevier, vol. 96(9-10), pages 824-839.
Alam G.M. (2009). Can governance and regulatory control ensure private Higher education as
business or public goods in Bangladash? African Journal Business Management, 3(12),
890-906
Almas H, 2013 The Relationship between Income Inequality and Globalization Retrieved July 7,
2010 from http://www.wider.unu.edu/
Alam G.M., Khalifa. M.T.B and Shahajamal, M.M. (2009). Return from education system in
Bangladash: an investigation on comparative flashback scenario. African Journal
Business Management, 3(10): 567-575.
Arayesh B., Mammi S., (2010), Identifying the Factors Affecting the Participation of
Agricultural Cooperatives' Members., American journal of agriculture and biological
sciences 6(4):560-566.
Biyi, D. (2005). Government Policies and Competitiveness of Nigerian Rice Economy Paper
represented at the “workshop on Rice Policy and Food Security in sub-Saharan Africa”
organized by WADA, Cotonon, Republic of Benin, November 07 – 09, 2005.
Bzugu P.M., M.M.Gwary, and Y.L. Idrisa, (2005).Impact of Extension Services on Rural
Poverty Alleviation among Farmers inAskira/Uba Local Government Area of Borno
Sate. Shael Analyst, Faculty of Management Sciences, University of Maiduguri. PP96 -
103. Food Policy, 26, 4
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 100
Elisie Y.S.(2006). Gender and women participation in bamboo-based Rural artisanal Industry
and its impact on Rural Livelihood A Case Study in Yunnan, China. INBAR, a US-based
NGO.
Goodluck, J. (2011). Job creation an urgent task; Punch Newspapers, Feb.24.
Idrisa, Y.L., Sulumbe, I.M. and Mohammed, S.T. (2007), Socio-economic factors affecting the
participation of women in agricultural cooperative in Gwoza Local Government, Borno
State, Nigeria
Jones, M.P. (1995), the Rice Plant and its Environment West African Rice Development
Association (WARDA) training Guide 2. P 1 – 16.
Magbagbeola, J.A.O., Adetoso, J.A and Owolabi, O.A. (2010) Neglected and Apicrutilizes
Species (NUS):A panacea for community focused development to poverty
alleviation/poverty reduction in Nigeria. Journal of Economics and international finance,
2(10):208-211.
Mavinbela, P., Masuku, M.B. and Belete, A. (2010). Contribution of savings and credit
cooperatives to crop production in Swaziland: A case study of smallholder farmers.
African Journal of Agricultural Research; 5(21):2868-2874.
Mwakajumilo. S.L.I (2011). The Role of Informal Microfinance Institutions in Savings
Mobilization, Investment and Poverty Reduction. A Case of Savings and Credit
Cooperative Societies (SACCOS in Tanzania From 1961-2008. Unpublished Doctorial
Thesis. St Clement University, Turks and Caicos Islands of British West.
Niemen, G., Hough, J. and Niewenhunizen, C. (2003). Entrepreneurship- A South African
Perspective. Hatfield, Pretoria: Van Schaik Publishers.
Nkonya, E., Philip, D., Mogues, T., Pender, J., Yahaya, M. Adebowale, G.J and Arokoyo, T.
(2008). Impact of a pro-poor community-driven development Project in Nigeria PP 10-36
A report submitted to International food policy research institute on sustainable solutions
for ending hunger and poverty.
Oguntola, S.I (1988). Female-Oriented Technologies in Agricultural Research in Oyo State.
Unpublished B.Sc Thesis in the Department of Extension and Rural Development,
University of Ibadan, Nigeria
International Journal of Agriculture and Environmental Research
ISSN: 2455-6939
Volume: 06, Issue: 01 "January-February 2020"
www.ijaer.in Copyright © IJAER 2020, All rights reserved Page 101
Olorunsanya, E.O (2009). Gender of Household Heads and Relative Poverty among Rural
Farming Household in Kwara State An Unpublished PhD Thesis in the Department of
Agricultural Economics and Farm Management, University of Illorin, Nigeria
Sivaram, B. (2000). Productivity Improvement and Labor relations in the tea industry in South
Asia The International Labor Organization Geneva, Switzerland