%0 Journal Article %T THE HUMIC ACID ELEMENT COMPOSITION OF CENTRAL URAL SOUTH TAIGA SOILS AND ADJACENT TERRITORIES %A Nekrasova, O.A. %K humic acids, elemental composition, sod-podzol soils, brown mountain-forest soils, southern taiga, Middle Ural, Trans-Ural %J Bulletin of KSAU %D 2013 %N %P 5 %I Krasnoyarsk State Agrarian University