植物生存所需要的过量硝酸盐通过土壤渗滤而被带到水中。
Nitrates produced in excess of the needs of plant life are carried away in water percolating through the soil.
土壤渗滤法是一种充分利用土壤中的动物、植物、微生物以及土壤的物理、化学特性的污水就地处理技术。
Soil Infiltration treatment (sit) is a kind of in-situ wastewater treatment technique, making full use of animals, plants, microorganisms in soil and the physicochemical characteristics of soil.
利用煤矸石填充塌陷区，对矿区土地复垦起到一定的积极作用，但煤矸石的淋溶渗滤液，已给地下水资源和土壤带来了极大的污染。
There is some significance in reclamation by filling the depressions with coal gangue, but this method makes serious environment pollution, especially, to the groundwater and soil.
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