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生物刺激剂在被潜在有毒元素 (PTEs) 污染的矿山土壤中种植Sonchus oleraceus植物的有效性

Aspasia Grammenou¹, Spyridon A Petropoulos¹, Georgios Thalassinos¹

¹Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Fytokou Street, 384 46, Vólos, Greece.

Environmental science and pollution research international

|June 9, 2025

概括

生物刺激剂并没有改善受污染的土壤中的植物生长,但改变了潜在有毒元素 (PTE) 的移动性和植物积累. 桑丘斯·奥拉塞乌斯 (Sonchus oleraceus) 显示出过度积累的特征,这表明尽管有复杂的生物刺激物相互作用,但仍有可能进行植物修复.

科学领域:

环境科学环境科学
土壤科学土壤科学
植物科学植物科学

背景情况:

矿山土壤中的潜在有毒元素 (PTEs) 对农业和生态系统构成风险.
管理PTE污染需要了解它们的移动性和植物吸收.
生物刺激剂正在探索土壤整治和增强植物弹性.

研究的目的:

评估生物刺激剂对Sonchus oleraceus中PTE可用性和植物积累的影响.
评估生物刺激剂在污染的拉维奥矿山土壤中对PTE流动性的影响.
为了确定S. oleraceus在受PTE污染的环境中的植物修复潜力.

主要方法:

在希腊拉弗里奥的严重受到PTE污染的土壤中,使用Sonchus oleraceus进行了实验.
七种治疗包括负控,正控 (受污染的土壤) 和五种生物刺激剂配方.
分析了植物生长,土壤和植物组织中的PTE度以及生物积累因素.

主要成果:

与对照组相比,受污染的土壤显著减少了植物的高度和生物量.
生物刺激剂并没有显著改善植物生长参数.
一些生物刺激剂增加了Pb,Cu和Zn的DTPA提取能力,与Bacillus spp. 显著增加了Zn.
S. oleraceus积累了高度的Cd,Zn和Pb,表现出过度积累的特征.
(Pb) 显示出高流动性 (TF>1),而 (Cd) 和 (Zn) 的转位有限 (TF<0.5).

结论:

生物刺激剂影响了PTE的移动性和植物积累,但没有增强S. oleraceus在这个受污染的土壤中的生长.
桑丘斯·奥拉塞乌斯 (Sonchus oleraceus) 显示出Cd和Zn的过度积累潜力,这表明它适合植物修复.
生物刺激剂,土壤和植物之间存在复杂的相互作用,需要谨慎选择以实现可持续的PTE管理.
需要进一步的研究来阐明生物刺激剂在减轻PTE毒性的机制.

关键词:

这种植物是Sonchus oleraceus.生物刺激剂生物刺激剂受污染的土壤被污染了植物疗法 (Phytoremediation) 是一种植物疗法.可能有毒的元素.土壤的健康状况

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