对不同质地土壤有机质含量与表层含盐量进行相关分析表明，表层为轻壤时，土壤有机质含量与表层含盐量具有明显的负相关性。

The correlative analysis between organic matter content and salinity of the surface layer showed significant negative correlation in soils with coarse texture; but not as significant in other cases.

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轻壤质土壤中碱性酸酶活性低于轻粘质土壤中的酶活性。贫磷土壤中磷酸酶活性高于富磷土壤中磷酸酶的活性。

The alkaline phosphatase activity in light clayey soil is higher than that in light loamy soil, also is higher in poor-phosphate soil than in rich-phosphate soil.

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首先，用批量平衡法开展了镉在砂质壤土、壤质砂土和粉壤土中的吸附特性的试验研究，获得吸附常数；

First, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained;

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