With the influence of waste leachate seeping, the concentration of organic substances in landfill soil was higher than that in unpolluted soil.

• 受垃圾渗滤液影响,垃圾场周边土壤有机物含量增加。试验结果显示,随着土壤有机物含量的增加,土壤中有效态铁锰含量增大。