00569naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\56747 20240723183037.2 1997-4868 20230118b2023####ek#y0engy0150####ca ENG RU The effect of straw on the humus state of chernozem Journal article Ekaterinburg Ural State Agrarian University 2023 6 с. Journal article local Yumashev Haris Sadreyevich Zaharova Irina usau.editorum.ru