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广西某铅锌矿区农田土壤重金属污染调查与防控策略

Guangzhou Chemical Industry(2021)

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Abstract
采集了广西某铅锌矿区污染农田土壤样品35个,测定其铅、锌、镉等重金属含量,开展污染评价和生态风险评估,并提出有针对性的防控策略.结果显示,研究区土壤受到Cd、Zn重度污染,污染深度0~30 cm;土壤Pb、Zn、Cd含量之间呈极显著正相关,具有明显的同源性.耕作土壤中重金属生态风险较高,其中Cd的潜在生态危害系数最大.提出的防控策略为:切除污染源,开展治理修复,并采用农艺调控措施,确保农业生产安全.
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