TY JOUR TI Determination of optimal amount of cells for growing seedlings oak with closed root system KW JO Actual directions of scientific researches of the XXI century: theory and practice AU Smyshlyaeva, M.. AU Krasnov, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov