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Long-Term Fate of Micro/Nanoplastics in Soil Systems and Their Impacts
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Researchers examined the long-term fate of micro- and nanoplastics in soil, finding that these persistent particles accumulate over time and can disrupt soil ecosystems, potentially affecting plant growth, soil organisms, and the broader food chain through sustained environmental exposure.
Micro/nanoplastics are new global pollutants that have drawn major attention globally due to their potential to damage the ecosystem upon their persistence and accumulation. Micro/nanoplastics (MNPs) are inextricably released into the environment by terrestrial and...
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Persistence of Micro- and Nanoplastics in Soil
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This review examined the persistence, fate, and properties of micro- and nanoplastics in soil environments, highlighting significant knowledge gaps in understanding how these particles behave once deposited in terrestrial systems. Because soils represent a major and understudied reservoir for plastic particles, clarifying their persistence and mobility is critical for assessing long-term contamination of crops and groundwater that feed into human exposure.
Soil Pollution by Micro- and Nanoplastics: Sources, Fate, and Impact
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Researchers examine how micro- and nanoplastics enter soil systems, persist through environmental processes, and threaten soil fertility and ecosystem health, with direct implications for agricultural productivity, food security, and human health.
Soil Pollution by Micro- and Nanoplastics: An Overview
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"This overview synthesized evidence showing that annual plastic releases to terrestrial environments are 4 to 23 times higher than releases to the ocean, with microplastics entering soil via sewage sludge, compost, plastic mulch, and irrigation. Soil contamination at this scale threatens agricultural food safety and groundwater quality, creating direct pathways for microplastics and associated toxins to enter the human diet through crops and drinking water."
Micro- and Nanoplastics as Carriers for Other Soil Pollutants
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Researchers reviewed how microplastics in soil serve as vectors for co-transport of other pollutants — including heavy metals, pesticides, and antibiotics — with annual terrestrial plastic releases estimated at 4–23 times those entering the marine environment. This carrier effect means soil microplastic contamination amplifies the bioavailability and toxicity of co-occurring chemical pollutants, compounding risks to soil organisms, crops, and ultimately human consumers.
Micro and Nanoplastics in Agricultural Soils: Challenges and Future Directions
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This review examined the sources, behavior, and ecological effects of micro- and nanoplastics in agricultural soils, highlighting challenges in detection, risk assessment, and regulatory management as plastic use in farming continues to grow. Nanoplastics in particular present heightened concern because their tiny size enables deeper soil penetration, plant uptake into edible tissues, and greater biological reactivity than larger fragments.
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