TY JOUR TI HERBICIDES AS A FACTOR OF REDUCING WEED VEGETATION AND INCREASING THE PRODUCTIVITY OF WINTER WHEAT CROPS KW herbicides KW tank mix KW nutrients KW winter wheat KW weeds KW yield KW grain quality KW economic efficiency JO Bulletin of KSAU AU Shalygina, A.A. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University