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The Utilization of Coconut Coir Powder in Low-Density Polyethylene (LDPE) Plastic Mulch to Enhance Biodegradability and Resistance to Ultraviolet Light Exposure
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Researchers investigated adding coconut coir powder to low-density polyethylene plastic mulch to improve its biodegradability and UV resistance, finding that the natural fiber additive accelerated breakdown while maintaining protective properties that help conserve soil moisture and suppress weeds during agricultural use.
Plastic mulch is a layer of material applied to the surface of the soil to conserve soil moisture, optimize fertilizer usage, and reduce weed growth. However, mulch made from low-density polyethylene (LDPE) causes problems, after its use, because it cannot decompose...
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Ultraviolet Shielding Performance of Coconut Coir as a Filler in Low-Density Polyethylene (LDPE) Plastic Mulch
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Researchers explored using coconut coir as a natural filler in low-density polyethylene plastic mulch to improve its resistance to UV degradation. Since UV exposure breaks down LDPE mulch into microplastics in agricultural soils, the coconut coir additive was tested for its UV shielding performance. The study investigates a potential approach to reduce microplastic generation from agricultural plastic films while using a renewable, natural material.
Are biodegradable plastic mulch films an effective way to solve residual mulch film pollution in farmland?
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This review finds that biodegradable plastic mulch films (BPM) may actually accelerate microplastic generation in agricultural soils compared to conventional films, while also disrupting soil microbial diversity and altering carbon and nitrogen cycles in unpredictable ways. The findings raise serious questions about whether switching to biodegradable plastics genuinely reduces pollution risk or simply shifts it to a different — and potentially more complex — form of soil contamination.
Effects of UV Exposure on Plastic Degradation in Water
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Researchers investigated how UV radiation accelerates the fragmentation of plastic polymers in water, finding that solar-initiated autocatalytic thermal oxidation is a key mechanism driving microplastic generation in aquatic environments.
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