Nitrogen is the foundation for the growth of a crop of barley that will produce a sufficient yield. Applying necessary steps that will help determine the amount needed. “Step one, when determining nitrogen needs for the next growing year, it is important to find out the previous growing year. This requires a soil sample test, which will give test results showing what is still left in the soil. Step two, nitrogen is mineralized from the soil and made available for plant growth during the next growing season. The problem is there is no test for this. In Southern Idaho, farmers use an estimation of around forty-five pounds acre. Step three, when following crops like sugar beets, potatoes, and onions, which have rapid residue decomposition, farmers do not have to use extra recommendations, for nitrogen, to break down the previous crop residue. However, if they have a crop like a mature grain residue, which has low nitrogen, tissue levels, farmers have to apply additional nitrogen to cover the residue decomposition of that mature crop’s tissue. Step four, nitrogen recommendations should be adjusted according...
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...disruptions in trying to figure the exact amount. Even though these problems mess up the scientific studies, farmers still found other options to apply the acceptable amount of nitrogen needed for that crop to grow.
“Barley Nutrition.” www.agric.wa.gov.an. March 2007. Web. December 4, 2013.
Mahler, Robert and Stephen Guy. “Spring Barley.” www.cals.uidaho.edu/edcomm. July 2007.
Web. November 22, 2013.
Mahler, Robert. “Idaho Fertilizer of Spring Barley Guide.” www.cals.uidaho.edu. Web.
August 2007. December 5, 2013.
Robertson, Larry and Jeffery Stark. “Idaho Spring Barley Production Guide.” University of
Idaho. www.cals.idaho.edu/edcomm/. Web. August 2013. December 3, 2013.
Windes, Juliet, Kelly Olsen, and Don Obert. “Barley Production Guidelines.” University of
Idaho. Barley.idaho.gov. Web. December 2013. December 2, 2013.
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