%0 Journal Article %T STRUCTURAL FEATURES OF PROVENANCE TRAIL PLANTATIONS OF PINE IN TERMS OF DIAMETER %A Mihaylova, M.I. %A Chernyshov, M.P. %K Sots pine, provenance trial plantations, structure by diameter, distribution of trees in steps of thickness, variability %J Forestry Engineering Journal %D 2021 %N 11 %P 9 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov