%0 Journal Article %T EFFICIENCY OF THE MODIFIED FERTILIZER AND MICROBIOLOGICAL PREPARATION ON SPRING BARLEY IN THE CONDITIONS OF THE FOREST-STEPPE OF THE VOLGA REGION %A Saydyasheva, G.V. %A Zayceva, K.G. %K mineral fertilizer, biological product, chernozem, food elements, spring barley (Hordeum vulgare L.) %J Vestnik of Kazan State Agrarian University %D 2021 %N 16 %P 3 %I Kazan state agrarian University