TY CONF TI INNOVATIVE APPROACHES TO INCREASING SOIL CARBON STOCK: STRATEGIES FOR ORGANIC ADDITIVES KW carbon sequestration KW soil carbon stock KW biochar KW carbon conversion KW climate change KW soil microorganism JO TECHNOLOGIES IN BIOECONOMICS: INNOVATIONS AND CHALLENGES IN THE 21ST CENTURY AU Gudkova, N.A. AU Tomina, E.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov