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在土壤-大米系统中的可用性接收连续四个季节的干草清除季节

Jialin Zhang^1,2, Hanhua Zhu^1,3, Chao Xu^4,5

¹Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.

Bulletin of environmental contamination and toxicology

|September 9, 2025

概括

清除大米 (SR) 可以显著降低土壤和谷物中的 (Cd). 多季度全吸管清除是管理大米田Cd污染的可持续策略.

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:

大米农业生态系统中的 (Cd) 污染是一个全球性的环境问题.
清除大米 (SR) 对Cd流动性和生物可用性的影响需要进一步研究.

研究的目的:

评估不同强度的米清除 (NSR,HSR,TSR) 在四个季节的水生态系统中对Cd可用性的影响.
确定SR作为减轻大米中Cd污染的策略的有效性.

主要方法:

进行了一项为期四个季节的实地研究,以评估不同程度的米清除.
在土壤和谷物中测量了DTPA可提取的Cd度 (CdG).
使用统计分析,将土壤中的Cd含量与谷物中的Cd含量相关联.

主要成果:

连续的SR季节导致DTPA可提取Cd的显著减少 (12.2%在3个季节后,13.7%在4个季节后).
总吸管去除 (TSR) 以剂量依赖的方式降低了谷物Cd度 (CdG),在四个季节后降低了高达41.7%.
赛季末的SR在减少CdG方面比赛季初的SR更有效.

结论:

清除米草会降低土壤中Cd的生物可用性,导致米植物减少Cd的吸收.
多季度的整体吸管清除是一种可行和可持续的植物管理策略,用于减轻水种植中的Cd污染.

关键词:

可用性可用性可用性是的组成部分.大米大米大米大米大米清除草清除草的方法

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