00675naa#a2200193#i#450# EN\\bibl\7638 20240517091539.5 2311-8873 20150930b2015####ek#y0engy0150####ca RUS RU The main reasons for the lack of effectiveness of forest and tillage units and ways to improve Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 12 с. Journal article local Posmetev Valeriy Zelikov V. A. Latysheva Margarita vntv.editorum.ru