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Long-term plastic film mulching promotes microplastic accumulation and alters gross nitrogen transformation in soil
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Distribution of microplastics in soil aggregates after film mulching
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Researchers found that microplastics from agricultural plastic film mulching preferentially accumulate in small soil aggregates, with fiber- and film-shaped particles dominating after long-term use, suggesting that monitoring microplastic distribution in soil aggregates can serve as a practical indicator of soil health degradation.
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