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The paper contains the study results of the effect of sulfurcontaining nitrogen fertilizers on the quality of protein in winter wheat grain grown in the Ulyanovsk region on soils with a lack of sulfur. The experimental crop is soft winter wheat, the variety “Saratovskaya – 17”. As a result, it was found that the biological value of protein compared to the control option increased by 11.5% in the option with the use of 5% of sulfur.

Protein quality of winter wheat depending on the dressing with sulfur-containing nitrogen fertilizers applied in early spring