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  • ORGANIC MATTER | DECLINING SOIL FERTILITY | BALANCED NUTRITION | UNDERSTANDING SOIL PH | HIERARCHY OF CROP FERTILITY NEEDS | CROP REMOVAL RATES | SOIL TESTING | PLANT AND/OR TISSUE TESTING FOR NUTRITION LEVELS | NITROGEN | CURRENT GENERAL IN-CROP NUTRITIONAL LEVELS FOR NITROGEN | PHOSPHORUS | SULFUR | POTASSIUM | MICRONUTRIENT DEFICIENCIES

    SOUTHERN SEPTEMBER 2018

    SECTION 5 NUTRITION AND FERTILISER

    BARLEY

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    SECTION 5 BArley - Nutrition and fertiliser

    1Know more. Grow more.

    February 2016

    NationalFeedbackTable of Contents

    5

    SECTION 5

    Nutrition and fertiliser

    With the more frequent use of opportunity cropping, improved farming techniques, and higher yielding varieties, nutrition programs should be reviewed regularly.

    Nutrient deficiencies are common for nitrogen (N), phosphorus (P), potassium (K) and zinc (Zn). Sulfur (S), copper (Cu), manganese (Mn) molybdenum (Mo) may be also be lacking in some soil types and growing areas. 1

    Historically, rates of fertiliser application to barley crops have been low. Barley was perceived to perform well on poor soils and in low-fertility situations. This is not the case; in fertile soils, barley yields are comparable to those of wheat without necessarily producing a protein level above that acceptable for malting specifications. 2

    Management of N availability is vital to achieving optimal yields and quality in your barley crop. Unlike wheat, which attracts premiums for high protein, malting barley can attract a premium if protein falls 9–12%. A protein target of 12% will also maximise a barley crop’s yield potential. 3

    When fertiliser prices peaked in 2008, questions were raised about the cost effectiveness of these inputs. New information was sought on best practice for yield and profitability. The result was the Grains Research and Development Corporation’s (GRDC) More Profit from Crop Nutrition initiative. 4

    To read about progress made under the program, download: Ground Cover Issue 97 Supplement: More profit from nutrition.

    5.1 Organic matter Organic matter has a fundamental role in soils. It helps to ameliorate or buffer the harmful effects of plant pathogens and chemical toxicities. It enhances surface and deeper soil structure, with positive effects for infiltration and exchange of water and gases, and for keeping the soil in place (i.e. reducing erosion). It improves soil water- holding capacity and, through its high cation-exchange capacity (CEC), prevents the leaching of essential cations such as calcium (Ca), magnesium (Mg), K and sodium (Na). Most importantly, it is a major repository for the cycling of nutrients and their delivery to crops and pastures.

    1 DAF Qld (2012) Wheat—nutrition. Department of Agriculture and Fisheries Queensland, http://www.daff.qld. gov.au/plants/field-crops-and-pastures/broadacre-field-crops/wheat/nutrition

    2 N Fettell, P Bowden, T McNee, N Border (2010) Barley Growth & development, PROCROP. Industry & Investment NSW/NSW Department of Primary Industries, http://www.dpi.nsw.gov.au/__data/assets/pdf_ file/0003/516180/Procrop-barley-growth-and-development.pdf

    3 DAF Qld (2012) Barley planting, nutrition and harvesting. Department of Agriculture and Fisheries , Queensland, http://www.daff.qld.gov.au/plants/field-crops-and-pastures/broadacre-field-crops/barley/ planting-nutrition-harvesting

    4 M Blumenthal, I Fillery (2012) More profit from crop nutrition. GRDC Ground Cover Supplement 16 February 2012, http://www.grdc.com.au/Media-Centre/Ground-Cover-Supplements/Ground-Cover-issue-97-MarApr- 2012-Supplement-More-profit-from-nutrition/More-profit-from-crop-nutrition

    i More information BCG: Current GRDC- funded projects. More Profit for Crop Nutrition (MPCN II): Extension and training (Southern Region)

    GRDC: Crop nutrition news

    GRDC Fact Sheets: Better fertiliser decisions for crop nutrition

    GRDC Update Papers: Making variable rate application a success on your farm

    GRDC Update Papers: Assessing canopy management in CTF systems with farmer machinery

    GRDC Update Papers: Current nutrition issues in the cropping zone of Southern Australia

    GRDC Ute Guide: Winter cereal nutrition

    NSW DPI: BFDC Interrogator

    Research paper: Nitrogen management: a key driver of farm business profit and risk in the low rainfall Mallee

    i More information GRDC Update Papers: Soil organic matter— what is it worth to grain production and what practices encourage it

    mailto:grownotes.north%40grdc.com.au?subject=Feedback%20on%20GRDC%20GrowNotes http://www.grdc.com.au/Media-Centre/Ground-Cover-Supplements/Ground-Cover-issue-97-MarApr-2012-Supplement-More-profit-from-nutrition http://www.grdc.com.au/Media-Centre/Ground-Cover-Supplements/Ground-Cover-issue-97-MarApr-2012-Supplement-More-profit-from-nutrition http://www.daff.qld.gov.au/plants/field-crops-and-pastures/broadacre-field-crops/wheat/nutrition http://www.daff.qld.gov.au/plants/field-crops-and-pastures/broadacre-field-crops/wheat/nutrition http://www.dpi.nsw.gov.au/__data/assets/pdf_file/0003/516180/Procrop-barley-growth-and-development.pdf http://www.dpi.nsw.gov.au/__data/assets/pdf_file/0003/516180/Procrop-barley-growth-and-development.pdf http://www.grdc.com.au/Media-Centre/Ground-Cover-Supplements/Ground-Cover-issue-97-MarApr-2012-Supplement-More-profit-from-nutrition/More-profit-from-crop-nutrition http://www.grdc.com.au/Media-Centre/Ground-Cover-Supplements/Ground-Cover-issue-97-MarApr-2012-Supplement-More-profit-from-nutrition/More-profit-from-crop-nutrition http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.bcg.org.au/cb_pages/grdc_current_funded_projects.php http://www.grdc.com.au/Media-Centre/GRDC-E-Newsletters/Crop-Nutrition-News http://www.grdc.com.au/Media-Centre/GRDC-E-Newsletters/Crop-Nutrition-News http://www.grdc.com.au/GRDC-FS-BFDCN http://www.grdc.com.au/GRDC-FS-BFDCN http://www.grdc.com.au/GRDC-FS-BFDCN https://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/08/Making-variable-rate-application-a-success-on-your-farm https://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/08/Making-variable-rate-application-a-success-on-your-farm https://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/08/Making-variable-rate-application-a-success-on-your-farm https://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/08/Making-variable-rate-application-a-success-on-your-farm http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/03/Assessing-canopy-management-in-CTF-systems-with-farmer-machinery http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/03/Assessing-canopy-management-in-CTF-systems-with-farmer-machinery http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/03/Assessing-canopy-management-in-CTF-systems-with-farmer-machinery http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/03/Assessing-canopy-management-in-CTF-systems-with-farmer-machinery http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2012/03/Assessing-canopy-management-in-CTF-systems-with-farmer-machinery http://grdc.com.au/Research-and-Development/GRDC-Update-Papers/2011/02/Current-nutrition-issues-in-the-cropping-zone-of-Southern-Australia http://grdc.com.au/Research-and-Development/GRDC-Update-Papers/2011/02/Current-nutrition-issues-in-the-cropping-zone-of-Southern-Australia http://grdc.com.au/Research-and-Development/GRDC-Update-Papers/2011/02/Current-nutrition-issues-in-the-cropping-zone-of-Southern-Australia http://grdc.com.au/Research-and-Development/GRDC-Update-Papers/2011/02/Current-nutrition-issues-in-the-cropping-zone-of-Southern-Australia http://www.grdc.com.au/UteGuide-WinterCerealNutrition http://www.grdc.com.au/UteGuide-WinterCerealNutrition https://www.bfdc.com.au/interrogator/publications.vm https://www.bfdc.com.au/interrogator/publications.vm http://www.agronomy2015.com.au/papers/agronomy2015final00274.pdf http://www.agronomy2015.com.au/papers/agronomy2015final00274.pdf http://www.agronomy2015.com.au/papers/agronomy2015final00274.pdf http://www.agronomy2015.com.au/papers/agronomy2015final00274.pdf http://www.agronomy2015.com.au/papers/agronomy2015final00274.pdf http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2013/07/Soil-organic-matter-what-is-it-worth-to-grain-production-and-what-practices-encourage-it http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2013/07/Soil-organic-matter-what-is-it-worth-to-grain-production-and-what-practices-encourage-it http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2013/07/Soil-organic-matter-what-is-it-worth-to-grain-production-and-what-practices-encourage-it http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2013/07/Soil-organic-matter-what-is-it-worth-to-grain-production-and-what-practices-encourage-it http://www.grdc.com.au/Research-and-Development/GRDC-Update-Papers/2013/07/Soil-organic-matter-what-is-it-worth-to-grain-production-and-what-practices-encourage-it

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