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The agricultural plastic paradox: Feeding more, harming more?

文献类型: 外文期刊

作者: Wang, Kai 1 ; Liu, Xuejun 1 ; Chadwick, David R. 4 ; Yan, Changrong 5 ; Reay, Michaela 6 ; Ge, Tida 7 ; Ding, Fan 8 ; Wang, Jingkuan 8 ; Qi, Ruimin 9 ; Xiao, Mouliang 10 ; Jiang, Rui 11 ; Chen, Yanling 12 ; Ma, Ji 13 ; Lloyd, Charlotte 6 ; Evershed, Richard P. 6 ; Luo, Yongming 14 ; Zhu, Yongguan 15 ; Zhang, Fusuo 1 ; Jones, Davey L. 4 ;

作者机构: 1.China Agr Univ, Coll Resources & Environm Sci, State Key Lab Nutrient Use & Management, Beijing 100193, Peoples R China

2.China Agr Univ, Natl Acad Agr Green Dev, Beijing 100193, Peoples R China

3.China Agr Univ, Key Lab Plant Soil Interact, Natl Observat & Res Stn Agr Green Dev Quzhou, Minist Educ, Beijing 100193, Peoples R China

4.Bangor Univ, Sch Environm & Nat Sci, Bangor LL57 2UW, Wales

5.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

6.Univ Bristol, Sch Chem, Bristol BS8 1TH, England

7.Ningbo Univ, State Key Lab Qual & Safety Agroprod, Int Sci & Technol Cooperat Base Regulat Soil Biol, Ningbo 315211, Peoples R China

8.Shenyang Agr Univ, Coll Land & Environm, Shenyang 110086, Peoples R China

9.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China

10.Zhejiang A&F Univ, State Key Lab Subtrop Silviculture, Hangzhou 311300, Peoples R China

11.Soochow Univ, Res Ctr Cultural Landscape Protect & Ecol Restorat, China Portugal Belt & Rd Cooperat Lab Cultural Her, Gold Mantis Sch Architecture, Suzhou 215006, Peoples R China

12.Qingdao Agr Univ, Coll Resources & Environm, Qingdao 266109, Shandong, Peoples R China

13.China Agr Univ, Coll Econ & Management, Beijing, Peoples R China

14.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing, Peoples R China

15.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing, Peoples R China

关键词: Agroecosystem resilience; Plastic pollution; Sustainable development goals; Nanoplastic

期刊名称:ENVIRONMENT INTERNATIONAL ( 影响因子:9.7; 五年影响因子:11.6 )

ISSN: 0160-4120

年卷期: 2025 年 198 卷

页码:

收录情况: SCI

摘要: Agricultural plastic film mulch (PFM) covers ca. 50 million hectares of the Earth's surface and has revolutionized agriculture, particularly in arid and semi-arid regions, by improving crop yields, water use efficiency, farmer incomes and feeding an extra 85 million people in China alone. However, concerns are growing about the impact of PFM-derived microplastics (MP) on soil quality, the food chain, and the environment. Here we show that current research on the effects of MP in agricultural soils is limited by inconsistent methodologies and unrealistic experimental concentrations, leading to major uncertainty in assessing the true risks associated with PFM use. Furthermore, we highlight the need for standardized protocols, experiments using realistic MP concentrations, and a better understanding of the relative contribution of PFM to MP pollution to develop informed policies. Furthermore, while biodegradable alternatives show promise, their significantly higher costs (2-3 times that of conventional LDPE PFM) and variable performance across different agricultural environments present economic and practical challenges that must be addressed through targeted policy incentives and continued technological innovation. Our findings suggest that while further research is conducted, managing PFM to reduce environmental impact, rather than imposing ill-informed bans on plastic use, is crucial to balance food security and sustainable development goals. Exploring "zero-leakage" instead of "zero-use" approaches to PFM should be the primary aim to help mitigate potential risks while preserving the substantial benefits of this agricultural technology.

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