00580naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\83499 20260317223652.2 1997-4868 20240606b2024####ek#y0engy0150####ca RU On the factors of ensuring sunflower harvests in the regions of Russia Journal article Ekaterinburg Ural State Agrarian University 2024 9 с. Journal article local Shtokolova Karina Vladimirovna Fomin Oleg Sergeevich usau.editorum.ru