soil urease

The activities of soil urease fluctuated with soil depth in both top and middle slope positions, but increased in the pattern of solar slope> lunar slope> fallow land at the slope bottom.

在坡顶和坡中部土壤剖面脲酶活性波动较大，在坡底为阳坡>阴坡>撂荒地。

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.

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.

Compost application increased the activity of sucrase, urease, phosphatase and proteinase, improved the soil biochemistry property.

堆肥可显著提高Cd污染土壤中脲酶、蔗糖酶、磷酸酶及蛋白酶的活性，改善土壤生化性质。

Influence of Soil Urease Activities on Nitrogen Conversion in Floodwater in Paddy Field

土壤脲酶活性对稻田田面水氮素转化的影响

The results show as the followings: Hg obviously inhibited soil urease activity and crop root activity under soil crop agricultural system;

结果表明，在土壤&植物体系中，汞对土壤脲酶和作物根系活力具有明显的抑制作用，且土壤脲酶和根系活力对汞的应答是一致的；

Moderately halophilic bacteria that imposed on the A6 in soil urease activity were not obvious.

说明施加A6中度嗜盐菌对土壤中脲酶活性影响不明显。

Study on Urease Activity of Main Cultivated Soil in Guizhou

贵州主要耕作土壤的脲酶活性研究

In autumn, soil actinomycetes was more closely related to soil insect community, and soil urease, soil total nitrogen were the key interaction factors of them.

秋季，土壤放线菌与土壤昆虫群落的联系更为密切，土壤脲酶、全氮是实现其相关性的关键因子。

Similarily, the soil hydrogen peroxidase, urease and phosphatase activities were increased obviously.

显著增强土壤过氧化氢酶 、 酶和磷酸酶活性.

After fertilization of corn straw for 2 months, Soil saccharase, urease and catalase activities enhanced with the dosage increased, but changed a little when the usage beyond 1.2%.

4个月后，玉米秸用量为1.2%的处理土壤脲酶、蔗糖酶、过氧化氢酶活性最高。施用麦秸的处理土壤脲酶、蔗糖酶、过氧化氢酶活性均随用量增加而升高。

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.