The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Agricultural plastic mulching as a source of microplastics in the terrestrial environment
Abstract
Plastic mulching is suspected to be a significant source of microplastics in terrestrial environments owing to its intensive application and improper disposal. However, there has been a comparative lack of studies examining this hypothesis. In this study, the occurrence of macroplastics in agricultural soils was investigated by analysing 384 soil samples collected from 19 provinces across China. Additionally, the abundance of microplastics was investigated in potential hotspots that have carried out plastic mulching for over 30 years. Macroplastic concentrations in the soil samples ranged from 0.1 to 324.5 kg/ha, with an average of 83.6 kg/ha; the concentrations were higher in western China than in eastern China. A highly significant linear correlation (R2 = 0.61) was found between the consumption of mulching film and the plastic residue in soils, indicating plastic film mulching may be a major source of macroplastics. The abundances of microplastic particles increased over time in the locations where plastic mulching was continuously employed, with concentrations of 80.3 ± 49.3, 308 ± 138.1, and 1075.6 ± 346.8 pieces/kg soil in fields with 5, 15, and 24 y of continuous mulching, respectively. Fourier transform infrared analyses revealed that the composition of the microplastics matched that of the mulching films, suggesting the microplastic particles originated from the mulching films. These findings confirm that plastic mulching is an important source of macroplastic and microplastic contamination in terrestrial environments. Further studies to investigate the microplastic hazards in soils are thus necessary.
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Cites
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Mamun, A. A., Prasetya, T. A. E., Dewi, I. R., & Ahmad, M. (2023) · Science of The Total Environment · doi:10.1016/j.scitotenv.2022.159834 · Cited by 608
Atugoda, T., Vithanage, M., Wijesekara, H., Bolan, N., Sarmah, A. K., Bank, M. S., You, S., & Ok, Y. S. (2021) · Environment International · doi:10.1016/j.envint.2020.106367 · Cited by 561
Soil plastispheres as hotspots of antibiotic resistance genes and potential pathogens
Zhu, D., Ma, J., Li, G., Rillig, M. C., & Zhu, Y.-G. (2022) · The ISME Journal · doi:10.1038/s41396-021-01103-9 · Cited by 459
Microplastic pollution in soil and groundwater: a review
Chia, R. W., Lee, J.-Y., Kim, H., & Jang, J. (2021) · Environmental Chemistry Letters · doi:10.1007/s10311-021-01297-6 · Cited by 414
Microplastics and Nanoplastics in the Freshwater and Terrestrial Environment: A Review
Boyle, K., & Örmeci, B. (2020) · Water · doi:10.3390/w12092633 · Cited by 259
Metadata
- Authors
- Huang, Y., Liu, Q., Jia, W., Yan, C., & Wang, J.
- Venue
- Environmental Pollution
- Publisher
- Elsevier BV
- Published
- 2020-05
- Volume
- 260
- Pages
- 114096
- ISSN
- 0269-7491 (ISSN-L)
- OpenAlex
- W3003420366
- Cited by
- 1,326
- References
- 11
- FWCI
- 32.71
- Type
- journal article
- Language
- en
- Open access
- closed
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