研究了有机肥对某铅锌矿选矿厂周围污染耕地土壤中镉(Cd)、铅(Pb)的活化作用。结果表明，施用有机肥可降低土壤中Cd的生物有效性系数，施用浓度越高，活化作用越低。种植积累重金属较多的荞麦、白菜并增施有机肥，能明显降低Cd生物活性。施用有机肥会增加土壤中Pb生物有效性，种植低积累蔬菜豆角、黄瓜并增施有机肥能明显增加Pb生物活性。

The effect of organic fertilizer on the activation of cadmium(Cd) and lead(Pb) in soil was studied in the polluted farmland around the lead-zinc concentrator. The results showed that applying organic fertilizer could reduce the bioavailability coefficient of Cd in soil. The higher the concentration of organic fertilizer was， the lower the activation was. Planting buckwheat and Chinese cabbage which accumulated more heavy metals and increasing the application of organic fertilizer could significantly reduce the biological activity of Cd. Application of organic fertilizer could increase the bioavailability of Pb in soil. Planting low accumulation vegetables such as beans and cucumbers and increasing application of organic fertilizer could significantly increase the bioavailability of Pb.

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