00538naa#a2200181#i#450# EN\\bibl\6600 20200807044232.5 2073-0462 20150714b2015####ek#y0engy0150####ca RUS RU REMOVAL, THE UTILIZATION OF NUTRIENTS SUNFLOWER DEPENDING ON THE APPLICATION OF BIOLOGICAL PRODUCTS Article Kazan Kazan state agrarian University 2015 4 с. Article local Nizamov Rustam Suleymanov Salavat naukaru.ru