TY CONF TI ORGANIZATION OF THE FOREST SEEDBASE OF THE BLACK OAKIN THE CONDITIONS OF FOREST-STEPPEANDSTEPPENATURALZONES KW oak petiolate KW forest seed plantations KW forestry activities JO BIOLOGICAL AND FORESTRY AND ENVIRONMENTAL FUNDAMENTALS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCENOSES AU Kryukova, S.A. AU Kulakov, E.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov