TY JOUR TI FACULTATIVE VARIETIES AS SOURCE MATERIAL FOR SPRING WHEAT BREEDING IN THE NORTHERN FOREST-STEPPE OF THE TYUMEN REGION KW spring wheat KW facultative varieties KW vegetation period KW yield KW grain quality KW initial material for selection JO Bulletin of KSAU AU Kazak, A.A. AU Loginov, Y.P. AU Yaschenko, S.. AU Gayzatulin, A.S. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University