TY JOUR TI INFLUENCE OF PRECURSOR ON PLANT GROWTH, DEVELOPMENT AND PROPAGATION RATE OF SEEDS OF SPRING WHEAT VARIETIES KW spring-sown field KW grade KW predecessor KW productivity KW exit of seed fraction KW reproduction coefficient. JO Bulletin of KSAU AU Yaschenko, S.. AU Loginov, Y.P. AU Kazak, A.A. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University