Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewedConventional

Microplastics in agricultural soils on the coastal plain of Hangzhou Bay, east China: Multiple sources other than plastic mulching film

Bianying Zhou, Jiaqing Wang, Haibo Zhang, Huahong Shi, Yufan Fei, Shunyin Huang, Yazhi Tong, Dishi Wen, Yongming Luo, Damià Barceló

Journal of Hazardous Materials · 2019

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Summary

This 2019 field study characterised microplastic contamination in agricultural soils of the Hangzhou Bay coastal plain, challenging the common assumption that plastic mulching film is the dominant source. Through polymer identification and source analysis, the authors documented multiple anthropogenic pathways contributing significantly to soil microplastic burden in intensively managed agricultural landscapes. The work underscores the complexity of microplastic pollution in farming systems and suggests that mitigation strategies must address diverse sources rather than focus solely on agricultural plastics.

Regional applicability

As suggested by the title and journal focus, findings on multiple microplastic sources in intensive agriculture may have relevance to UK farming systems that use plastic films and mulches, though UK soil types, climate, and agricultural practices differ from coastal Chinese plains. UK-specific soil monitoring and source quantification would be needed to determine local contamination pathways and policy priorities.

Key measures

Microplastic concentration and abundance in soil samples; polymer type identification; source apportionment analysis

Outcomes reported

The study characterised microplastic concentrations and polymer types in agricultural soils of Hangzhou Bay and identified multiple anthropogenic sources contributing to soil contamination. The work challenged the assumption that plastic mulching film alone drives microplastic accumulation in intensive farming systems.

Theme
Farming systems, soils & land use
Subject
Pesticides, contaminants & food safety
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Mixed farming
DOI
10.1016/j.jhazmat.2019.121814
Catalogue ID
SNmoqqte7j-eybad3

Topic tags

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