TY JOUR TI THE INFLUENCE OF PYROGENIC FACTOR ON BIOLOGICAL ACTIVITY OF SOILS UNDER CONDITIONS OF PERMAFROST (CENTRAL EVENKIA) KW cryogenic soils KW fire KW enzymatic ac-tivity KW cellulose decomposition JO Bulletin of KSAU AU Bezkorovainaya, I.N. AU Borisova, I.V. AU Klimchenko, A.V. AU Shabalina, O.M. AU Zakharchenko, L.P. AU Ilyin, A.A. AU Beskrovny, A.K. PY 2017 IS PB Krasnoyarsk State Agrarian University