%0 Journal Article %T THE CHANGE OF THE PEAT ELEMENT COMPOSITION AND OPTICAL PROPERTIES UNDER THE THERMAL MODIFICATION INFLUENCE %A Chukhareva, N.V. %A Tikhova, V.D. %A Zarubina, O.N. %A Shishmina, L.V. %K peat, type, decomposition extent, heat treatment, element structure, functional groups, absorption strips, optical density, chemical structure %J Bulletin of KSAU %D 2013 %N %P 8 %I Krasnoyarsk State Agrarian University