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Potential sources and occurrence of macro-plastics and microplastics pollution in farmland soils: A typical case of China

Critical Reviews in Environmental Science and Technology 2023 162 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 60 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Ruimin Qi, Ruimin Qi, Ruimin Qi, Jinrui Zhang, Siyang Ren, Jinɡjinɡ Li, Hanyue Zhang, Jinrui Zhang, Jinrui Zhang, Kai Wang, Kai Wang, Davey L. Jones, Kai Wang, Siyang Ren, Siyang Ren, Kai Wang, Ruimin Qi, Ruimin Qi, Ruimin Qi, Ruimin Qi, Davey L. Jones, Xuejun Liu Jinrui Zhang, Kai Wang, David R. Chadwick, David R. Chadwick, David R. Chadwick, David R. Chadwick, Kai Wang, Davey L. Jones, Davey L. Jones, Kai Wang, Siyang Ren, Changrong Yan, David R. Chadwick, Davey L. Jones, Wen Xu, Davey L. Jones, Davey L. Jones, Davey L. Jones, Davey L. Jones, Changrong Yan, Kai Wang, Davey L. Jones, Ruimin Qi, Ruimin Qi, Siyang Ren, Jinrui Zhang, Jinrui Zhang, Changrong Yan, Changrong Yan, Changrong Yan, Changrong Yan, David R. Chadwick, Changrong Yan, Changrong Yan, Davey L. Jones, Changrong Yan, Changrong Yan, Changrong Yan, Changrong Yan, Davey L. Jones, Davey L. Jones, Changrong Yan, Davey L. Jones, Changrong Yan, Davey L. Jones, Jinɡjinɡ Li, David R. Chadwick, David R. Chadwick, Ruimin Qi, Ruimin Qi, Jinrui Zhang, Xuejun Liu David R. Chadwick, Hanyue Zhang, Davey L. Jones, Hanyue Zhang, David R. Chadwick, Davey L. Jones, Changrong Yan, Davey L. Jones, Changrong Yan, Changrong Yan, Davey L. Jones, Changrong Yan, Xuejun Liu Kai Wang, Xuejun Liu Xuejun Liu Changrong Yan, Davey L. Jones, Changrong Yan, Changrong Yan, Changrong Yan, Hanyue Zhang, Changrong Yan, David R. Chadwick, Changrong Yan, Wen Xu, Changrong Yan, Changrong Yan, Kai Wang, Davey L. Jones, Changrong Yan, David R. Chadwick, Davey L. Jones, Hanyue Zhang, Davey L. Jones, Davey L. Jones, Davey L. Jones, Changrong Yan, Changrong Yan, Changrong Yan, Changrong Yan, Changrong Yan, Xuejun Liu Ruimin Qi, Ruimin Qi, Changrong Yan, Changrong Yan, Kai Wang, Davey L. Jones, Changrong Yan, Kai Wang, Davey L. Jones, Changrong Yan, Davey L. Jones, Changrong Yan, Wen Xu, Fusuo Zhang, Wen Xu, Jinɡjinɡ Li, Davey L. Jones, Davey L. Jones, David R. Chadwick, Fusuo Zhang, Changrong Yan, Davey L. Jones, Davey L. Jones, Hanyue Zhang, Xuejun Liu Davey L. Jones, Davey L. Jones, Changrong Yan, David R. Chadwick, Changrong Yan, Davey L. Jones, Xuejun Liu Changrong Yan, Changrong Yan, Davey L. Jones, Davey L. Jones, Davey L. Jones, Changrong Yan, Davey L. Jones, Davey L. Jones, Davey L. Jones, Davey L. Jones, Davey L. Jones, Changrong Yan, Changrong Yan, Davey L. Jones, Davey L. Jones, David R. Chadwick, David R. Chadwick, Xuejun Liu Xuejun Liu Siyang Ren, Siyang Ren, Changrong Yan, Changrong Yan, Changrong Yan, Ruimin Qi, Davey L. Jones, Changrong Yan, David R. Chadwick, Xuejun Liu Xuejun Liu Changrong Yan, Changrong Yan, Davey L. Jones, Davey L. Jones, Changrong Yan, Davey L. Jones, Kai Wang, David R. Chadwick, Fusuo Zhang, Fusuo Zhang, Kai Wang, David R. Chadwick, David R. Chadwick, David R. Chadwick, David R. Chadwick, Davey L. Jones, Davey L. Jones, Fusuo Zhang, Davey L. Jones, Ruimin Qi, David R. Chadwick, Fusuo Zhang, David R. Chadwick, Davey L. Jones, Davey L. Jones, Fusuo Zhang, Davey L. Jones, Davey L. Jones, Wen Xu, David R. Chadwick, David R. Chadwick, Kai Wang, Davey L. Jones, Davey L. Jones, Davey L. Jones, David R. Chadwick, Xuejun Liu Kai Wang, David R. Chadwick, Changrong Yan, Changrong Yan, Fusuo Zhang, David R. Chadwick, David R. Chadwick, Xuejun Liu Davey L. Jones, Davey L. Jones, Davey L. Jones, Davey L. Jones, Xuejun Liu David R. Chadwick, Xuejun Liu

Summary

This study provides the first comprehensive survey of plastic pollution in Chinese farmland soil, analyzing data from 163 publications covering 728 sites. The average microplastic abundance was 4,537 particles per kilogram of dry soil, with agricultural plastic films and organic waste being the biggest sources. Since China is the world's largest user of agricultural plastics, these findings highlight how farming practices can lead to significant microplastic contamination of the soil that grows our food.

Plastic debris (including macro-plastics, microplastics (MPs), and nanoplastics), defined as an emerging contaminant, has been proven to significantly affect soil ecosystem functioning. Accordingly, there is an urgent need to robustly quantify the pollution situation and potential sources of plastics in soils. China as the leading producer and user of agricultural plastics is analyzed as a typical case study to highlight the current situation of farmland macro-plastics and MPs. Our study summarized information on the occurrence and abundance of macro-plastics and MPs in Chinese farmland soils for the first time based on 163 publications with 728 sample sites. The results showed that the average concentration of macro-plastics, and the abundance of MPs in Chinese farmlands were 103 kg ha−1 and 4537 items kg−1 (dry soil), respectively. In addition, this study synthesized the latest scientific evidence on sources of macro-plastics and MPs in farmland soils. Agricultural plastic films and organic wastes are the most reported sources, indicating that they contribute significantly to plastic debris in agricultural soils. Furthermore, the modeling methods for quantifying macro-plastics and MPs in soils and estimating the stock and flow of plastic materials within agricultural systems were also summarized.

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