Preliminary study on soil microbes and soil biochemical activities in mining wasteland Effect of combined application of microbial inoculum and fertilizer on white clover growth in reclaimed mine soil Microbial eco-characterization and its restoration in copper reclaimed wasteland in red soil area of China Ⅱ. Effects on soil microbial characteristics and community structure Characteristics of Soil Microbes in Reclaimed Mine Soil of Chai-He Zinc-lead Mine Wasteland