%0 Journal Article %T AGROPHYTOCENOSIS CONTAMINATION AND OF SPRING WHEAT PRODUCTIVITY IN THE OMSK REGION FOREST-STEPPE %A Yushkevich, L.V. %A Schitov, A.. %A Yuschenko, D.N. %K crop rotation, spring wheat, tillage system, chemicals, agrophytocenosis, contamination, species composition, conjugacy, grain yield %J Bulletin of KSAU %D 2022 %N 0 %P 8 %I Krasnoyarsk State Agrarian University