TY JOUR TI REACTION OF OAT VARIETIES TO PRESOWING SEED TREATMENT IN THE MIDDLE URALS KW oats KW grade KW pre-processing KW the elements of productivety KW correlation analysis JO Vestnik of Kazan State Agrarian University AU Kolesnikova, V.. AU Kubasheva, A.. PY 2014 IS 9 PB Kazan state agrarian University