%0 Journal Article %T Productivity of potato of sprint variety, depending on the nutrition background on gray forest steppe soil of Middle Volga %A Gareev , I.. %A Vladimirov, V.P. %A Vladimirov, K.V. %K potato, calculated doses of fertilizer, variety, productivity, leaf surface, quality indicators. %J Vestnik of Kazan State Agrarian University %D 2014 %N 9 %P 5 %I Kazan state agrarian University