TY JOUR TI TOTAL PROTEIN CONTENT IN GRAIN AND GROSS PROTEIN YIELD WITH GRAIN CROP UNDER DIFFERENT FERTILIZER APPLICATION SCHEMES FOR WINTER RYE (SECALE CEREALE L.) KW ammonium nitrate KW potassium nitrate KW nitrogen KW nitrate KW protein KW yield KW mineral fertilizers KW winter rye (Secale cereale L.). JO Vestnik of Kazan State Agrarian University AU Petrovceva, N.A. AU Pasynkova, E.N. PY 2024 IS 19 PB Kazan state agrarian University