TY CONF TI THE LEVEL OF VARIABILITY QUANTITATIVE CHARACTERISTICS OF NORWAY SPRUCE (PICEA ABIES (L.) KARST.) KW Variability KW quantitative traits KW coefficient of variation KW Norway spruce KW trunk and crown KW cones KW seeds KW sprouts KW seedlings KW forest plantations JO BIOLOGICAL AND FORESTRY AND ENVIRONMENTAL FUNDAMENTALS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCENOSES AU Markevich, T.S. AU Padutov, V.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov