TY JOUR TI CARBON AND NITROGEN MICROBIOLOGICAL TRANSFORMATION IN MIDDLE SIBERIA FOREST SOILS KW microorganism ecology KW Middle Siberia KW carbon transformation KW nitrogen transformation KW soil fertility JO Bulletin of KSAU AU Sorokin, N.D. AU Alexandrov, D.E. PY 2013 IS PB Krasnoyarsk State Agrarian University