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基于农药风险评估的环境承载能力在土壤管理中的整合:中国的一个案例研究

Yang Zhou¹, Zhengyu Zhang¹, Jing Jing¹

¹Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.

Journal of hazardous materials

|September 2, 2023

概括

中国东北部土壤中农药污染带来了生态风险. 虽然目前的水平低于土壤承载能力,但五种关键农药在10年内可能会超过它,需要监测和管理.

科学领域:

环境化学环境化学
土壤科学土壤科学
生态毒理学生态毒理学

背景情况:

杀虫剂是农业不可或缺的组成部分,但可以降低土壤健康和环境质量.
评估农药的发生和风险对于可持续的农业实践至关重要.

研究的目的:

评估农药的发生,分布,生态风险和土壤环境承载能力 (SECC) 在 Horqin 左中旗,中国.
制定SECC评估的框架和土壤质量保护的早期预警系统.

主要方法:

在农业土壤中分析了56种农药和3种代谢物.
风险毒性暴露比率和风险系数方法的应用.
开发和应用SECC模型和预警系统.

主要成果:

检测到29种农药,其中阿特拉津,克洛西安丁和普罗比可纳是最常见的.
克洛西安丁和二可纳对非标生物体具有很高的生态风险.
据SECC模型显示,目前没有任何农药超过了值,但10年内可能会有5种.

结论:

一个早期预警系统预测克洛西安丁可以在0.1年内超过SECC值.
优先管理特定的农药对于防止土壤退化至关重要.
调查结果支持为该地区的可持续农业和土壤保护制定明智的政策.

关键词:

生态危险生态危险环境健康环境健康农业用地农业用地植物保护产品是植物保护产品.

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