TY JOUR TI EVALUATION OF VARIETIES OF SPRING SOFT WHEAT BY GRAIN QUALITY INDICATORS IN THE CHANGING CONDITIONS OF THE MIDDLE VOLGA REGION KW spring soft wheat (Triticum aestivum L.) KW variety KW vitreousness KW protein KW grain nature KW number of drops KW gluten JO Vestnik of Kazan State Agrarian University AU Taranova, T.Y. AU Romenskaya, S.E. AU Demina, E.A. AU Kincharov, A.I. PY 2024 IS 19 PB Kazan state agrarian University