@article{Posmetev2015the, author={Posmetev, V.. and Zelikov, V.A. and Latysheva, M..}, title={The main reasons for the lack of effectiveness of forest and tillage units and ways to improve}, journal={Voronezh Scientific-Technical Bulletin}, publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov}, year={2015}, pages={46-58}, volume={4}, issue={3}, }