TY CONF TI GROWTH AND VIABILITY OF COMMON HAZELNUT SEEDLINGS DURING THE FORMATION OF UNDERSTONE OF FOREST PLANTATIONS IN THE CENTRAL FOREST-STEPPE KW common hazel KW seedlings KW forest growth conditions KW growth KW viability JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Nakonechnaya, T.S. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov