Phytomanagement with forage grasses for sustainable remediation of contaminated tailings soil: enhancing soil functionality and microbial communities

Exposed metal tailings represent a hazardous source of contamination to neighboring ecosystems. For soils polluted with heavy metals, traditional physical and chemical approaches to remediation are effective and are associated with high costs, the potential for secondary pollution, environmental degradation, and practical limitations (Mahar et al., 2016). Consequently, there is a growing need to identify less environmentally impactful approaches, such as phytoremediation using hyperaccumulators. Phytoremediation is a low-cost, sustainable, large-scale, and eco-friendly technology that has widespread public acceptance.

裸露金属尾矿（exposed metal tailings）是周边生态系统的危险污染源。针对重金属污染土壤，传统物理与化学修复手段虽具备修复效果，但往往伴随高额成本、次生污染风险、生态环境退化以及实际应用局限（Mahar等，2016）。因此，亟需开发环境影响更小的修复技术方案，例如利用超富集植物（hyperaccumulators）开展的植物修复（phytoremediation）技术。植物修复技术具备成本低廉、可持续性强、可规模化应用且环境友好的优势，获得了社会公众的广泛认可。