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通过对潞安矿务局五阳煤矿采煤塌陷地,按照混推和剥离两种复垦方法及复垦种植年限,对其土壤养分、重金属元素含量以及物理性质进行采样分析,研究不同复垦方法及年限对土壤肥力及其变化规律的影响,为制订科学合理的土地复垦标准提供依据。
According to the coal mining subsidence in Wuyang coal mine of Lu’an Mining Bureau, the soil nutrients, heavy metal elements and their physical properties were sampled and analyzed according to the two reclamation methods of mixing and stripping and the planting years of reclamation. The effects of different reclamation Methods and years of soil fertility and its changes in the rules for the development of scientific and rational land reclamation standards provide the basis.