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^: 3450 2015 1
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^: , = Effect of mineral fertilizers on the grain yield and quality of winter wheat grown after sunflower
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aref2 2 A stationary multifactor field experiment has shown the decisive influence of nitrogen fertilizer on the yield and grain qual- ity of winter wheat. Equations have been derived for the production function of crop yield and the contents of protein and gluten in winter wheat grain depending on the application of mineral fertilizers.

^TRN: 1485318
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