%0 Journal Article %T Influence of geometrical parameters of the universal tillage equipment on its efficiency %A Popov, I.. %K optimization, modeling, disc working body, tillage tool, convergence angle of discs, drive piece %J Forestry Engineering Journal %D 2014 %N 4 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov