TY JOUR TI PRODUCTIVITY AND ECOLOGICAL PLASTICITY OF SPRING SOFT WHEAT VARIETIES OF DIFFERENT RIPENESS GROUPS IN THE SUBTAIGA ZONE OF WESTERN SIBERIA KW spring wheat KW variety KW ripeness group KW grain KW yield KW ecological plasticity JO Vestnik of Omsk SAU AU ALEKSANDROVA, S.N. AU STEPANOV, A.F. PY 2025 IS 57 PB FSBEI HE Omsk SAU