%0 Journal Article %T INFLUENCE OF NUTRITION BACKGROUND AND SURFACE IMPROVEMENT METHODS ON PRODUCTIVITY OF FLOODPLAIN MEADOWS OF MIDDLE VOLGA STEPPE REGION %A Khismatullin, M.. %A Safiollin, F.N. %A Minnullin, G.. %A Khismatullin, M.M. %K combined subsurface-cultivators, sod treatment, nitric phosphoric and potash fertilizers, productivity, forage quality, economic efficiency %J Vestnik of Kazan State Agrarian University %D 2017 %N 11 %P 4 %I Kazan state agrarian University