%0 Journal Article %T GRAIN YIELD OF SOYBEAN VARIETIES OF DIFFERENT MATURITY GROUPS IN THE FOREST-STEPPE ZONE OF THE MIDDLE VOLGA REGION %A Bulatova, K.A. %K soybeans (Glycine max), vegetation duration, ripeness group, grain yield, precocity, agroecotype %J Vestnik of Kazan State Agrarian University %D 2022 %N 16 %P 4 %I Kazan state agrarian University