TY JOUR TI THE INFLUENCE OF PEAT THERMAL TREATMENT ON ITS CROUP COMPOSITION. MESSAGE 2 KW peat KW thermal treatment KW group composition KW decomposition degree KW type KW sort KW absolute and relative changes JO Bulletin of KSAU AU Chukhareva, N.V. AU Shishmina, L.V. AU Maslov, S.G. PY 2013 IS PB Krasnoyarsk State Agrarian University