00553naa#a2200181#i#450# EN\\bibl\6600 20250301160250.6 2073-0462 20150714b2015####ek#y0engy0150####ca RUS RU REMOVAL, THE UTILIZATION OF NUTRIENTS SUNFLOWER DEPENDING ON THE APPLICATION OF BIOLOGICAL PRODUCTS Journal article Kazan Kazan state agrarian University 2015 4 с. Journal article local Nizamov Rustam Suleymanov Salavat zh-szf.ru