农业土壤中的微型和纳米塑料 (MNP):对粮食安全和环境健康的挑战
Maryam Samani1, Yogesh K Ahlawat2,3,4, Sangita Yadav5
1Soil Science Department, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
Environmental monitoring and assessment
|November 25, 2025
概括
微型和纳米塑料 (MNP) 污染农业土壤,影响作物健康和食品安全. 可生物降解的替代品和可持续农业对于减轻这些普遍的塑料污染物至关重要.
科学领域:
- 环境科学 环境科学
- 农业科学 农业科学
- 生态毒理学 生态毒理学
背景情况:
- 微型和纳米塑料 (MNP) 越来越多地被认为是农业系统中的重要环境污染物.
- 它们的存在引起了人们对土壤健康,作物生产率和生产的食品安全的担忧.
研究的目的:
- 审查农业中MNP的起源,流行,作物影响和缓解策略.
- 综合当前关于农业生态系统中塑料污染的研究.
主要方法:
- 使用Scopus,科学网和谷歌学者进行了全面的文献分析.
- 关键词包括微塑料/纳米塑料,农业,退化和环境影响.
主要成果:
- MNPs来源于塑料土,废水灌,生物固体和空气沉积,其度在100至10,000颗/公斤之间.
- 聚乙烯和聚烯是主要的聚合物,对营养吸收,光合作用和作物产量 (例如小麦,生菜,玉米) 产生负面影响.
- MNPs诱导氧化应激,改变土壤微生物群落,并构成 trofhic 传播的风险.
结论:
- 农业土壤中MNP的普遍存在威胁到粮食安全和环境完整性.
- 开发可生物降解的替代品和实施可持续的农业实践,包括微生物生物降解,对于缓解是必不可少的.
- 这些战略与可持续发展目标 (SDG) 保持一致,以实现更健康的环境.
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