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Updated: May 15, 2025

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使用生物炭,堆肥和干基有机改良剂与菌根结合,以减轻土壤中重金属污染

Quanheng Li^1,2, Imran³

¹Kunming General Survey of Natural Resources Center, China Geological Survey, Kunming, China.

International journal of phytoremediation

|May 14, 2025

概括

生物炭和树状菌根真菌 (AMF) 的组合有效地减少了用废水灌的作物中的重金属. 这种可持续的方法还可以增强植物生长和土壤酶活性.

科学领域:

环境科学环境科学
土壤科学土壤科学
农业科学农业科学

背景情况:

未经处理的废水灌增加了土壤和作物重金属 (HM) 污染.
需要可持续的方法来减轻农业中的HM风险.

研究的目的:

评估有机修订和状菌根真菌 (AMF) 减少HM生物可用性.
评估这些处理对植物生长和土壤健康的影响.

主要方法:

一个为期两年的实验使用了八种治疗方法,包括米,堆肥,生物炭,AMF及其组合.
分析了土壤和作物的重金属含量,植物生物质,谷物产量和土壤酶活动.

主要成果:

生物炭+AMF (T8) 显著降低了土壤和植物HM度,谷物Pb,Cd和Ni分别降低了高达93%,76%和83%.
通过T8处理,干燥重量增加了66%和48%的芽和根,谷物产量增加了56%.
与T8.一起观察到根植入,菌根强度,尿素酶和催化酶活动的显著增加.

结论:

生物炭与AMF相结合是修复受HM污染的土壤的高效策略.
这种综合方法为改善废水灌条件下的作物生产率提供了可持续的解决方案.

关键词:

美国货币基金基金会 (AMF)生物炭是一种生物炭.堆肥堆肥是一种.物理疗法物理疗法物理疗法废物残留物废物残留物土壤和植物健康.

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