TY JOUR TI Vegetation period of spring soft wheat varieties of different ripeness groups in agricultural zones of the Krasnoyarsk Region KW spring wheat KW varieties of different ripeness groups KW duration of the growing season KW natural areas KW variety plots JO Bulletin of KSAU AU Nikitina, V.I. AU Kolichenko, A.A. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University