TY JOUR TI ROLE OF PRE-SOWING SEED TREATMENT AND FERTILIZERS IN INCREASING THE PRODUCTIVITY AND QUALITY OF WINTER WHEAT GRAIN ON GRAY FOREST SOIL IN THE KAMA REGION OF THE REPUBLIC OF TATARSTAN KW seeds KW pre-sowing treatment KW the structure of the crop KW the quality of grain KW gluten KW grain KW vitreous KW productivity. JO Vestnik of Kazan State Agrarian University AU Garifullina, L.. AU Talanov, I.P. PY 2016 IS 11 PB Kazan state agrarian University