TY JOUR TI AGROCHEMICAL PARAMETERS OF SPRING WHEAT WHEN APPLYING BIOFERTILIZERS AND GROWTH REGULATORS KW spring wheat KW biofertilizer KW growth regulator KW element removal KW utilization factor JO Vestnik of Omsk SAU AU BOBRENKO, I.A. AU POPOVA, V.I. AU KORMIN, V.P. AU CHERNYAVSKAYA, M.A. PY 2025 IS PB FSBEI HE Omsk SAU