Abstract:Mining activities of oil shale always result in a lot of ecological and environmental issues, and there is a shortage of specific or systematic reports on successful revegetation of oil shale waste dumps so far due to its short research history. Utilization of oil shale wastes began in the 1940s and ecological restoration of waste dumps started in the 1960s, both of them being implemented earlier outside China. It is difficult to revegetate waste dumps, because the substrate conditions are very harsh, and w...