Abstract
The chapter considers the results of a three-year field experiment (2015–2017) on fertilization of spring wheat cultivated in soil and climatic conditions of the Ural region. The experiment is based on the cultivated gray forest soil under the 14-variant scheme of mineral fertilizer (N—nitrogen; P—phosphorus; K—potassium) application in rates from 30 to 120 kg/ha of each element applied against the background of the other two elements. The variety of spring wheat was Simbirtsit, and the precursor was black steam. As a result of the research studies, it is revealed the influence of nitrogen, phosphoric, and potash fertilizers on the productivity and quality of grains depending on the concrete soil and weather conditions. In particular, it is shown that with an increase in the rate of nitrogen from N30 to N120 against the background 224of P60K60, the grain yield increased in the conditions of drought in 2016 and in the most favorable precipitation and temperature conditions in 2015. More complex dependences in these conditions are established by the efficiency of phosphoric and potash fertilizers.
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