00731naa#a2200169#i#450# EN\\bibl\114196 20260203115109.2 2587-6740 20240615b2024####ek#y0engy0150####ca RU Formation of the agrocenosis of alfalfa changeable Daria in cover crops in the conditions of the forest-steppe of the Middle Volga region Journal article Moscow Electronic science 2024 3 с. Journal article local Люцерна разнообразная. Medicago varia Mart.. 633.313 Агротехника. 631.5 Производство и обработка семян. 631.53.02 Epifanova Irina Vasil'evna stolypinvestnik.ru