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.
此外，土壤物质在淋溶、迁移和聚集过程中，还受到各种因素作用距离长短的重要影响。
Furthermore, materials of soil are greatly influenced by the distance in the process of eluviation, migration and accumulation.
研究内容主要包括土壤生物积累及相关养分状况、盐基淋溶作用和微生物数量等方面的坡向性分异，并探讨其对山地土壤资源开发利用和生态环境建设的意义。
The research content included the slope-directive variation of soil bio-accumulations properties and related nutrient status, base cation leaching, the quantity of microorganism etc.
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