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揭示生物炭在有毒金属化物污染的土壤中促进安全作物生产的潜力:一个元分析

Li Chen¹, Xing Yang², Fengyu Huang¹

¹College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China.

Environmental pollution (Barking, Essex : 1987)

|June 5, 2024

概括

生物炭的应用有效地改善了作物生长,并减少了作物中潜在的有毒金属 (loid) (PTMs). 这种可持续的土壤整治方法降低了PTM积累,提高了食品安全和人类健康保护.

科学领域:

环境科学环境科学
农业学是一种农业学.
土壤科学土壤科学

背景情况:

被潜在有毒金属 (loid) (PTMs) 污染的土壤对食品安全和人类健康构成风险.
生物炭应用是土壤整治的可持续策略,但其在减少作物中PTM积累方面的有效性需要进一步研究.

研究的目的:

用分层元分析量化生物炭应用对作物生长和PTM积累的影响.
通过机器学习方法确定影响PTM生物可用性和作物吸收的关键特征.

主要方法:

对276篇研究文章进行了分层的元分析.
开发了一种机器学习模型,以确定影响PTM生物可用性的关键因素.

主要成果:

生物炭的应用显著增强了作物生长,并减少了作物组织 (谷物,芽和根) 中的PTM度.
生物炭修改放大了修复潜力,由于PTM可用性减少和土壤质量改善,PTM吸收减少.
关键的生物炭特性,如表面积和碳含量,被确定为减少PTM生物可用性的关键.

结论:

生物炭应用是修复PTM污染土壤和提高作物安全的可行策略.
生物炭的应用减少了与作物谷物中PTMs相关的概率健康风险,有助于保护人类健康.
研究结果为优化在受污染土地上安全作物生产中的生物炭使用提供了指导方针.

关键词:

生物可用性生物可用性生物炭是一种生物炭.机器学习模型机器学习模型进行元分析分析.具有潜在的有毒金属 (化物)土壤整治土壤整治土壤整治

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