WSU Tree Fruit Research & Extension Center

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Thursday, September 20, 2018

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1608. Doneen, L.D.. 1934. Nitrogen in relation to composition, growth and yield of wheat.. WA Agr. Expt. Sta. Bull. #296.
On soil with adequate N, adding sodium nitrate retarded wheat growth. The carbohydrate - N ratio of plant tissue was not affected by fertilizer treatment or variety. Under extreme conditions (e.g. variations in N or moisture) there were considerable differences in varietal adaptations. The addition of N after normal tillering caused production of new tillers and increased yields. Fall fertilization led to higher water use and spring moisture deficit. T: many tables. e.g.: Composition of total sugar, non-coagulate nitrogen, amino N, and nitrate on wheat grown under various soil treatments. Yield of grain and straw of wheat treated with sodium N. N removed from soil by grain and straw of wheat treated with different amounts of sodium N/ac. Yield of grain and straw of wheat treated with 500 lb. sodium N/ac.

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