用醋酸镉处理的土壤有效态镉含量明显高于氯化镉处理。
The available cadmium contents in red soils polluted by cadmium acetate were more than those by cadmium chloride.
通过对国家标准物质土壤有效态的测试，结果与标准值基本一致，测得值都在标准值的不确定度范围内。
After testing the national standard substance (GBW 07416) of soil available composition, the analytical results are nearly in accord with standard values.
土壤有效态微量元素的含量随着土壤有机碳含量增加而增大，但当土壤有机碳含量过高时，土壤有效态微量元素含量反而呈变小趋势。
The content of the available trace elements increased with that of the soil organic matter increasing, but decreased with much more that of organic matter.
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