TY JOUR TI EFFICIENCY OF BIOLOGIZED WINTER WHEAT CULTIVATION TECHNOLOGY IN THE FOREST-STEPPE ZONE OF MIDDLE VOLGA REGION KW soft winter wheat (Triticum aestivum) KW cultivation technology KW weed infestation of crops KW crop productivity KW crop quality KW economic efficiency JO Vestnik of Kazan State Agrarian University AU Tojgildin, A.L. AU Ermolaeva, G.V. AU Nikiforova, S.A. PY 2025 IS 20 PB Kazan state agrarian University