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Microplastics in Agricultural Soils: Sources, Fate, and Interactions with Other Contaminants
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This review examines how microplastics enter farmland through irrigation, fertilizers, and plastic mulch, and how long-term farming practices affect their spread and aging in soil. The paper highlights that microplastics can either increase or decrease the toxicity of co-existing pollutants like pesticides and heavy metals depending on how strongly each contaminant binds to soil versus plastic particles.
Microplastics (MPs) are recognized as emerging soil contaminants. However, the potential risks of MPs to agroecosystems have not been fully revealed, especially the compound toxic effects of MPs with co-existing organic or inorganic pollutants (OPs/IPs) in agricultural fields. In this study, we quantified the contributions of different agronomic practices to the sources of MPs in soil and highlighted the important influences of long-term tillage and fertilization on the migration and aging of MPs in agricultural fields. In addition, the antagonistic and synergistic interactions between MPs and OPs/IPs in soil were explored. We emphasized that the degree of adsorption of MPs and soil particles to OPs/IPs is a key determinant of the co-toxicity of those contaminants in soil. Finally, several directions for future research are proposed, and these knowledge gaps provide an important basis for understanding the contamination process of MPs in agricultural soils.
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Microplastics as an Emerging Environmental Pollutant in Agricultural Soils: Effects on Ecosystems and Human Health
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This review examines how microplastics enter and move through agricultural soil ecosystems, affecting soil properties, nutrient cycling, and the organisms that live in and depend on healthy soil. Researchers found that microplastics can alter key biogeochemical processes and interact with co-existing pollutants like heavy metals and pesticides, potentially compounding their harmful effects. The study highlights the need for prevention and control strategies as microplastic contamination of farmland becomes an increasingly recognized environmental and potential human health concern.
Fate and Transport Pathways of Microplastics in Agricultural Soil and their Interaction with Agrochemicals
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Researchers reviewed how microplastics and nanoplastics move through agricultural soil and interact with agrochemicals like pesticides and fertilizers. The study highlights that industrialization-driven plastic accumulation fragments into microplastics in farming environments, where their interactions with agricultural chemicals may amplify environmental and food safety risks.
Microplastics inAgricultural Soils: Sources, Fate,and Interactions with Other Contaminants
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This review examines microplastics as emerging soil contaminants, focusing on their interactions with co-occurring pollutants such as heavy metals, pesticides, and antibiotics, and assessing the compound toxic risks these combinations pose to agricultural ecosystems and food safety.
Microplastic Pollution in Terrestrial Ecosystems and Its Interaction with Other Soil Pollutants: A Potential Threat to Soil Ecosystem Sustainability
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This review examines microplastic pollution in soils and how plastic particles interact with other pollutants like pesticides and heavy metals. About 80% of all plastic waste produced in the last 75 years has ended up in landfills or the environment, where it breaks into microplastics that alter soil health and contaminate crops. The combined effects of microplastics with other soil pollutants could threaten food safety and ultimately human health.
Traversing the prevalence of microplastics in soil-agro ecosystems: Origin, occurrence, and pollutants synergies
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This review comprehensively examines microplastic contamination in soil and agricultural ecosystems, covering their origins from sources like plastic mulch, sewage sludge, and irrigation water. Researchers analyzed how microplastics interact synergistically with other pollutants including heavy metals and pesticides in soil environments. The study highlights that the long-term implications of microplastic accumulation in agricultural soils remain uncertain and warrant further investigation to protect food safety.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.