%0 Journal Article %T Methodological aproach for quickly defining heights in the exploitable poplars stands %A Tsarev, V.. %A Tsareva, R.. %K poplar, ratios of height, m / diameter, cm ( ), morphological systematic groups, Euro-Americans’ hybrids, quantitative economic exploitability of wood %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov