以素有煤都之称抚顺矿区复垦土壤为例，对不同年限不同深度的土壤进行分析，揭示了抚顺煤矿区土壤养分的时空演变规律。
Through sampling soils of different years and depth in the reclaimed areas of Fushun coal mine, we analyzed the space-time change of soil nutrients and organic carbon.
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.
矿区土壤复垦是国际上备受关注的研究领域。
Mine soil-reclaimed is one of comprehensive key research field in the world.
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