TY JOUR TI RESTORATION OF THE PHYTO-DIVERSITY OF BETULA PENDULA FORMATION ON SOD-FOREST GLEY-ELUVIAL SANDY POST-PYROGENIC SOIL KW Betula pendula formation KW flora KW soddy-eluvial glue clay-illuviated KW mobile P2O5 compounds KW exchange K2O JO Forestry Engineering Journal AU Gorbunova, Y.S. AU Grigor'evskaya, A.Y. AU Devyatova, T.A. PY 2020 IS 10 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov