00907naa#a2200193#i#450# EN\FNC «VIK IM. V. R. VIL'YAMSA»\bibl\70991 20251216121432.2 2222-5366 20231018b2023####ek#y0engy0150####ca RU CONSERVATION OF LAND, SOIL FERTILITY AND PERENNIAL GRASSES FOR RATIONAL USE OF NATURAL RESOURCES IN AGRICULTURE (To the 160th anniversary of the birth of Vasily Robertovich Williams) Journal article Lobnya Federal Williams Research Center of Forage Production and Agroecology 2023 8 с. Journal article local Общие вопросы сельского хозяйства. 631 Кормовые травы. Луговые травы. 633.2 Trofimov Ilya Alexandrovich Trofimova Lyudmila Sergeevna Yakovleva Elena Petrovna adaptagro.editorum.ru