TY JOUR TI Features of using peat and sawdust in growing horse chestnut seedlings using roller seeders with pre-treatment of seeds in a magnetic field KW horse chestnut seedlings KW mulch KW mulch classification KW substrate KW nitrogen KW phosphorus and potassium dynamics KW water-physical properties of soil mixtures JO INTERNATIONAL AGRICULTURAL JOURNAL AU Suslov, S.V. AU Klimov, A.P. AU Bezborodov, A.G. AU Bezborodov, Y.G. PY 2026 IS 0 PB Electronic science