TY JOUR TI THE EFFECT OF BIOLOGICAL PRODUCTS ON THE OF SPRING WHEAT CROPS CONTAMINATION KW number of weeds KW weed mass KW proportion of weeds KW biopreparations KW growth stimulator KW growth stimulator Biodux KW biofertilizers KW biofungicides KW spring wheat JO Bulletin of KSAU AU Baykalova, L.P. AU Karvel', A.A. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University