【文章內(nèi)容簡介】
se, alkaline phosphatase, catalase and nitrate reductase in soil were significantly restrained with increase of concentration of copper in contaminated soil. Bentonite significantly increased activities of urease, alkaline phosphatase, catalase and nitrate reductase by %%, %%, %%, %% in the copper contaminated soil, respectively and the increase rates of 4 enzyme activity were in order: alkaline phosphataseureasenitrate reductasecatalase. Increase rates of urease and alkaline phosphatase activities