TY CONF TI PRACTICE OF GROWING PLANTING MATERIAL WITH CONCRETE CROSSING USING VARIOUS TECHNOLOGIES KW Container-in-container KW Air-pot KW Scots pine KW planting material KW closed root system JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Shovkun, V.A. AU Tseplyaev, A.N. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov