%0 Journal Article %T Methods of Formation of Sustainable and Highly Productive Forest Plantations Created by Biogroups %A Vahtin, A.I. %A Vavin, V.S. %A Ahtyamov, A.G. %K protective afforestation, mensuration, cleaning cuttings, protective height, reclamation efficiency. %J Forestry Engineering Journal %D 2017 %N 7 %P 7 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov