TY JOUR TI The importance of previous crops and mineral nutrition in the formation of yield and quality of spring barley in the Perm region KW meteorological conditions KW spring barley KW yield KW mineral nutrition KW previous crops KW reserves of productive moisture KW protein content KW weight of 1000 grains JO Agrarian Bulletin of the AU Polyakova, S.. AU Fomin, D.. AU Yarkova, N.. AU Fomin, D.. PY 2024 IS 24 PB Ural State Agrarian University