%0 Journal Article %T EFFECT OF SOIL CULTIVATION METHODS ON PRODUCTIVITY AND QUALITY OF POTATOES OF DIFFERENT VARIETIES IN THE CONDITIONS OF FOREST-STEPPE IN MIDDLE VOLGA REGION %A Vladimirov, K.V. %A Vladimirov, V.P. %A Mostyakova, A.A. %K variety, soil cultivation, leaf surface, safety, mass of tubers, productivity, quality indicators, starch, vitamin C, nitrates. %J Vestnik of Kazan State Agrarian University %D 2018 %N 13 %P 5 %I Kazan state agrarian University