%0 Journal Article %T THE ENZYMATIC ACTIVITY OF THE LEACHED CHERNOZEM POLLUTED BY COPPER %A Korotchenko, I.S. %A Kiriyenko, N.N. %K leached chernozem, soil enzymatic activity, catalase, invertase, urease, protease, heavy metals, copper %J Bulletin of KSAU %D 2014 %N %P 6 %I Krasnoyarsk State Agrarian University