To evaluate the sustainability of reclaimed cultivated land,the soil and crop indexes were determined by sampling in subsidence-free area,stable subsidence area and unstable subsidence area in Zhaogu mine area. The 13 indexes measured were divided into soil physicochemical index,soil microbial index and crop index. Then,the sustainability index was calculated based on the triangle area method. It was shown that the sustainability index of reclaimed land in subsidence-free area( 1. 80) was higher than the th...
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