TY JOUR TI THE EFFECTIVENESS OF THE INNOVATIVE ORGANIC FERTILIZERS WHEN POTATOES CULTIVATING IN THE FOREST-STEPPE OF THE MIDDLE VOLGA REGION KW potato KW yield KW fertilizer KW waste KW moisture KW organic KW innovative JO Bulletin Samara State Agricultural Academy AU Zudilin, S.N. AU Svetlakov, I.A. PY 2018 IS 3 PB Samara State Agricultural Academy