The activity of Soil urease, acidphosphotase and invertase weakened with increase of soil depth.

各林地土壤脲酶、酸酶和转化酶随着土壤剖面的加深,其活性减弱.

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There was little effect on soil urease and catalase activity for different peat levels.

但增施草炭对土壤中脲酶和过氧化氢酶影响较小.

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By simulating methods, the effect of ethanol on soil urease activity was studied systematically.

通过模拟方法, 较系统地研究了乙醇对土壤脲酶活性的影响.

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