TY JOUR TI THE INFLUENCE OF ELEMENTS OF PROGRESSIVE TECHNOLOGY ON THE YIELD AND QUALITY OF SPRING WHEAT GRAIN ON CHERNOZEM SOILS OF THE VOLGA REGION OF THE REPUBLIC OF TATARSTAN KW productivity KW grain quality KW spring wheat (Triticum aestivum) KW mineral fertilizers; chemical plant protection products JO Vestnik of Kazan State Agrarian University AU Serzhanov, I.. AU Shaykhutdinov, F.. AU Serzhanova, A.R. AU Garaev, R.I. AU Zalyalov, R.R. PY 2022 IS 17 PB Kazan state agrarian University