TY JOUR TI Productivity and grain quality of alternate wheat varieties and early-ripening winter crops at different sowing dates in the northern forest-steppe of the Tyumen region KW wheat KW variety KW sowing period KW yield KW grain quality KW alternate wheat KW productivity KW Tyumen region JO Agrarian Bulletin of the AU Loginov, Y.P. AU Kazak, A.A. AU Yaschenko, S.. AU Gayzatulin, A.S. PY 2024 IS 24 PB Ural State Agrarian University