TY JOUR TI ASSESSMENT OF BARLEY VARIETIES, CULTIVATED IN TATARSTAN, ON CROP PRODUCTIVITY AND GRAIN QUALITY KW barley KW variety KW quality KW yield KW nitrogen KW protein. JO Vestnik of Kazan State Agrarian University AU Ganieva, I.S. AU Blokhin, V.. AU Dyurbin, D.S. PY 2018 IS 13 PB Kazan state agrarian University