TY JOUR TI WINTER WHEAT CULTIVATION TECHNOLOGY ELEMENT IMPROVEMENT IN THE RSO-ALANIA STEPPE ZONE CONDITIONS KW winter wheat KW varieties KW biopreparations KW growth regulators KW leaf area KW productivity KW economic efficiency. JO Bulletin of KSAU AU Tedeyeva, A.A. AU Tedeyeva, V.V. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University