TY JOUR TI FORMATION OF BARLEY HARVEST DEPENDING ON THE NUTRITION BACKGROUND AND THE USE OF HERBICIDES KW barley KW variety KW humus content KW mineral fertilizers KW the doses of fertilizer KW expansion of the linen KW herbicides KW productivity KW protein. JO Vestnik of Kazan State Agrarian University AU Mitrofanov, E.. AU Korshunov, A.. AU Vladimirov, V.. AU Gafurov, R.. PY 2015 IS 10 PB Kazan state agrarian University