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From risk assessment towards risk based testing and reduction: monitoring microplastic contamination in arable fields
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Researchers monitored microplastic contamination in arable agricultural fields as part of a risk-based testing and reduction framework, documenting occurrence patterns and developing approaches to prioritize field-specific risk reduction for the estimated 90% of environmental microplastics found in terrestrial systems.
While plastics are found in nearly every environment, around 90 Also see: https://micro2024.sciencesconf.org/559094/document
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From risk assessment towards risk based testing and reduction: monitoring microplastic contamination in arable fields
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Researchers examined microplastic contamination levels in arable agricultural fields and developed a framework advancing from standard risk assessment toward risk-based testing and reduction strategies, noting that approximately 90% of microplastics in the environment are found in terrestrial ecosystems.
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Researchers challenged the widely held assumption that sewage sludge spread on farmland is the primary source of microplastics in agricultural soils, finding that unrecovered agricultural plastics such as mulch films likely contribute far more — suggesting pollution prevention efforts may be misdirected.
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A nationwide study of 108 agricultural sites across the United Kingdom found microplastics in all soil samples, with concentrations averaging 3,680 particles per kilogram. Fields where plastic crop covers were used had significantly higher microplastic levels than those without plastic covers. This study shows that common agricultural plastic use is a major source of soil microplastic contamination, which could ultimately affect crop quality and enter the food chain.
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