TY CONF TI EFFECTIVENESS OF STEAM IN INCREASING SOIL BIOLOGICAL ACTIVITY KW binary sowings KW fertility KW chernozem soil KW soil biological activity JO INNOVATIVE AFFORESTATION AND REFORESTATION: RESULTS AND PROSPECTS AU Korzhov, S.I. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov