TY JOUR TI Grain quality of spring soft wheat in the North Kazakhstan region of the Republic of Kazakhstan KW soft spring wheat KW varieties KW gluten KW protein content KW germination KW refraction KW food grain JO Agrarian Bulletin of the AU Tobolova, G.V. AU Loginov, Y.P. PY 2024 IS 24 PB Ural State Agrarian University