00809naa#a2200181#i#450# EN\FNC «VIK IM. V. R. VIL'YAMSA»\bibl\4294 20260321072336.6 20200708b2020####ek#y0engy0150####ca RU Efficiency of cultivation of perennial legume-grass mixtures on gray forest soils of Kaluga region Conference article/thesis Lobnya Federal Williams Research Center of Forage Production and Agroecology 2020 4 с. Conference article/thesis local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 Lukashov Vladimir Nikolaevich Korotkova Tat'yana Nikolaevna Isakov Aleksandr Nikolaevich adaptagro.editorum.ru