00635naa#a2200205#i#450# EN\\bibl\10575 20191114224940.4 2073-0462 20151225b2015####ek#y0engy0150####ca RUS RU INFLUENCE OF FERTILIZERS ON PRODUCTIVITY OF DIFFERENT TYPES OF FEED ON GRAY FOREST SOIL OF THE REPUBLIC OF TATARSTAN Article Kazan Kazan state agrarian University 2015 4 с. Article local Nizamov Rustam Suleymanov Salavat Minnullin Gennadiy Malikov Marsel Malikovich naukaru.ru