TY JOUR TI The influence of soil cover on natural regeneration of tree species in the city park «Sosnovka» KW undergrowth KW number KW vegetation ground cover KW projective cover. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kuznetsov, E.N. AU Beliaeva, N.V. AU Grigoreva, O.I. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov