%0 Journal Article %T THE INFLUENCE OF LEGUMINOUS PLANTS AS PRECEDENTS ON PRODUCTIVITY AND QUALITY OF POTATOES %A Yakovleva, M.I. %A Dimitriev, V.L. %A Mefod'ev, G.A. %K crop rotation, occupied steam, potatoes, narrow-leaved lupine, soybeans, fodder beans, vetch-barley mixture. %J Vestnik of Kazan State Agrarian University %D 2020 %N 15 %P 3 %I Kazan state agrarian University