Application of ecological restoration technology for high and steep original rock slope without imported soil in Pingzhuang West Open-pit Mine
DONG Qi
TANG Wanjun
ZHAO Yinghao
LYU Ying
LIU Xingyu
Abstract：In order to investigate the effectiveness of microbial remediation technology in the ecological restoration of high and steep slopes in open-pit coal mines,a typical high and steep slope in Pingzhuang West Open-pit Coal Mine area is selected for field restoration work.Functional microorganisms isolated from the site and those already available in the laboratory are utilized to carry out without imported soil ecological restoration of high and steep slopes,and the effectiveness of microbial remediation is investigated in terms of upgrading the soil quality,promoting the restoration of vegetation and constructing self-sustaining ecosystems.The results show that several microorganisms with the functions of nitrogen fixation and phosphorus solubilization are successfully isolated from the slope soil,the soil fertility of the rehabilitated slope is significantly improved,the vegetation cover exceeds 80%,and the stability and function of the underlying microbial ecosystem are restored.
Keywords：microbial remediationhigh and steep slopemicrobial strain screeningfertility improvementvegetation restorationecological restoration
Publication Date：2026-02-28
Online Publishing Date：2026-03-19(First online date of this platform, not the publication date of the document)
Pages：6( 56-61 )