%0 Journal Article %T THE USE OF OPTICAL PARAMETERS IN THE DIAGNOSIS OF ENVIRONMENTAL CONDITION CHANGES IN PRIMORYE AGROZEMS %A Purtova, L.N. %K humus, humus acids, agrogenic soils, soil optical parameters, soil energetic reserves %J Bulletin of KSAU %D 2014 %N %P 4 %I Krasnoyarsk State Agrarian University