%0 Journal Article
%T The regeneration of spruce under the canopy of stand  in Leningrad region
%A Grigoreva, O.I.
%A Beliaeva, N.V.
%A Aroyan, K..
%K Picea abies, boreal forests, undergrowth, number of undergrowth (spacing), typology, forest type, crop density, underwood of spruse. 
%J Actual directions of scientific researches of the XXI century: theory and practice
%D 2015
%N 3
%P 7
%I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov