00636naa#a2200181#i#450# EN\\bibl\109992 20251216211306.2 2587-6740 20251215b2025####ek#y0engy0150####ca RU Ecological and economic substantiation of involvement of unused agricultural lands into agricultural cycle Journal article Moscow Electronic science 2025 4 с. Journal article local Интенсивность землепользования. 332.34 Kireycheva Lyudmila Vladimirovna Vasileva Natalia Alexandrovna mshj.ru