%0 Journal Article %T CATALASE ACTIVITY OF PODZOLIC SOILS IN THE NATIVE SPRUCE BILBERRY FOREST AND DECIDUOUS-SPRUCE FOREST STANDS OF DIFFERENT AGE %A Perminova, E.M. %A Lapteva, E.M. %K %J Agrarian Bulletin of the %D 2018 %N 172 %P 0 %I Ural State Agrarian University