00655naa#a2200193#i#450# EN\\bibl\4839 20260121013431.3 2073-0462 20141225b2014####ek#y0engy0150####ca RUS RU EFFICIENCY OF FERTILIZER APPLICATION WAY AT CULTIVATION OF MIDDLE-EARLY MATURING POTATO VARIETIES ON GRAY FOREST SOILS OF FOREST-STEPPE ZONE OF MIDDLE VOLGA Journal article Kazan Kazan state agrarian University 2014 4 с. Journal article local Gaynutdinov Marat Vladimirov Vladimir Petrovich Chekmarev Petr zh-szf.ru