00510naa#a2200169#i#450# EN\\bibl\612 20251230144822.2 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Fertilizers influence on grain yield and quality of spring durum wheat in the steppe Volga Journal article Kazan Kazan state agrarian University 2013 3 с. Journal article local Amirov Marat Fuatovich zh-szf.ru