%0 Journal Article %T PRODUCTIVITY OF SPRING BARLEY DEPENDING ON THE TYPE OF FERTILIZERS USED AND BIOLOGICS BISOLBIFIT %A Zayceva, K.G. %K spring barley (Hordeum vulgare L.), mineral, biomineral fertilizers, yield, protein, biological product %J Vestnik of Kazan State Agrarian University %D 2021 %N 15 %P 3 %I Kazan state agrarian University