%0 Journal Article %T Lesovodstvennye of the precondition to justification of the scheme of mixture of breeds with participation of a pine Crimean in cultures of the vostochnobayrachny steppe of Ukraine %A Levin, S.V. %K echelon-group layout of wood species, Crimean and Scotch pine, common oak, row spacing %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov