Formula and basic geochemical research to create new technology for vegetation restoration of mine slag heap (slope).

摘要: Vegetation restoration of slag heap (slope) is great significance in environmental protection, but it difficult because the lack soil. This study proposes a new technology for vegetation mine pile based on mixed substrate and The ecological mechanism mountainous areas with soil-rock mix was investigated through pot field experiments, which physical chemical analyses various components as well calculation dosage other parameters were performed. Soil testing formula, plant selection, experiment, ground planting experiment selected key links. results showed that, addition to N, P, K, organic matter, content fine particles main factor determining whether mixture could meet growth development requirements plants. significantly affects water-supply capacity water-holding matrix. higher particles, better capacity. artificial rocks soil be stirred evenly when 50-200% or + tailings into waste residue, thus providing good effects.