Production Plan for Soilless Culture

8/13/2019 Production Plan for Soilless Culture

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INTRODUCTION

One of the advantage of the soilless culture is a season independent. Therefore, the

production can be done all year round and given the continuous yield. Generally the harvest

should be performed on weekly bais depend on the market demand. Hence the worker should

know how to conduct good production plant that fit the market demand. There are several

information need to construct the proper production planning. Such as understanding the

growing steps, understanding growing periode of each step, understanding the yield for each

step, measuring the loss for each step.

Every soilles culture pratice has different type of production plan depend on the plant

used and also the system used. Nutrient film technique (NFT) is a hydroponic technique

wherein a very shallow stream of water containing all the dissolved nutrients required for

plant growth is re-circulated past the bareroots of plants in a watertight gully, also known as

channels. In an ideal system, the depth of the recirculating stream should be very shallow,

little more than a film of water, hence the name 'nutrient film'. This ensures that the thick root

mat, which develops in the bottom of the channel, has an upper surface, which, although

moist, is in the air. Subsequent to this, an abundant supply of oxygen is provided to the roots

of the plants. A properly designed NFT system is based on using the right channel slope, theright flow rate, and the right channel length. The main advantage of the NFT system over

other forms of hydroponics is that the plant roots are exposed to adequate supplies of water,

oxygen and nutrients.

In nutrient film technique (NFT) there are 3 step In NFT, every step need 2 week to

complete. These step consist of:

Seedling nursing steps Growing in small plant NFT gully Growing in the big plant gully

In this laboratory exercise, There will be shown the production plan for Pak Choy,

one of the brassica family which is very suitable for growing in the cool season periode. And

also there will be measurement and planing to produce 100 kg per week Pak Choy as a

demand needed and about 20% loss due to lack of good management practice and the culture

pratice is conducted in dry season periode which not suitable for this kind of crop.
http://en.wikipedia.org/wiki/Hydroponicshttp://en.wikipedia.org/wiki/Nutrientshttp://en.wikipedia.org/wiki/Rootshttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Rootshttp://en.wikipedia.org/wiki/Nutrientshttp://en.wikipedia.org/wiki/Hydroponics


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OBJECTIVES

1. To learn students with the role of production planing2. To familiar students with the steps of constructing production plan3. To famliar students with the factor needed for constructing the production plan

METHODOLOGY

1. Construct production plan by choosing plant, market demand, average plant weight,and loss of each step, and also set parameters needed.

2. Write the report.3. Show the calculation step by step and pesent the time table of activity.


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RESULT AND DISCUSSION

Type of Farm : Medium House Hold Bussiness Farm

Commodity of Plant will be planted : Pak Choy (Brassica rapa chinensis)

Market Demand : 200 kg / week

Weight per Each Plant : 100 g/ plant (because of planted in hot season)

Loss (management and hot season periode) : 20 %

Step of Pak Choy NFT Growing Plan

1. Calculation of Number of NFT set

Pak Choy will be grown in big-plant NFT table for 2 weeks. Therefore three(2+1) NFT sets is needed.

2. Calculation of Pak Choy plant number in step Need 200 kg each week. Plant weight 0.1 kg/plant. 20% loss in every step.

a. The number of Pak Choy plant to be harvested for each weekThe harvested number = yield per week / avg. Plant weight

= 200 kg / 0.1 kg/plant

= 2000 plants

b. The number to be grown in big-plant NFT table for each weekPlant number = harvested number / 1 - % loss in decimal value

= 2000 / (1 0.2)

= 2,500 plants

c. The plant number to be grown in small-plant NFTPlant number = number in big-plant NFT table / (1-loss)

= 2,500 plants / 0.8

= 3,125 plants

d. Number of seed to be planted for each weekSeed number = plant number in small-plant NFT table / (1-loss)

= 3,125 plants / 0.8

= 3,906.25 plants

3. Calculation of number of big plant NFT table in one set Big NFT (12 meter) = 384 plants Number of big NFT needed = Plant number needed in big NFT / 384 plants

= 2,500 / 384 plants

= 6.5 tables or 7 tables.


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4. Calculation of number of small-plant table needed in one set The small-plant NFT (12 m) = 2304 plants Number of small NFT needed= Plant number needed in small NFT / 2304

plants

= 3,125 plants / 2304 plants

= 1.3 tables or 1.5 tables.

5. This means that in order to produce 200 kg Pak Choy / week, the farm need :a. 1.5 small NFT table

b. 7 big NFT tablec. Need 3,907 seed per week.d. Transplant at least 3,125 seedling to the small plant NFT for 2 week growing.e.

Transplant at least 2,500 plants to big NFT system infor the last 2 weeks.

6. Time table of activity for continuous productionSet

No.

Table

No.

Week number

1 2 3 4 5 6 7 8 9 10 11 12 13

1 1 S S M M P P H/C P P H/C P P H/C

2 S S M M P P H/C P P H/C P P H/C




6 S S M M P P H/C P P H/C P P H/C2 1 S S M M P P H/C P P H/C P P

2 S S M M P P H/C P P H/C P P





3 1 S S M M P P H/C P P H/C P

2 S S M M P P H/C P P H/C P



5 S S M M P P H/C P P H/C P6 S S M M P P H/C P P H/C P

S = Seeding

M = Tranfering to small plant table

P = Tranfering to big plant table

H/C = harvesting and cleaning

Documents

Production Plan for Soilless Culture