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Microplastics as contaminants in the soil environment: A mini-review
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This mini-review examines microplastic contamination in soil environments, an area that has received far less attention than marine pollution. Researchers found that agricultural practices like plastic mulch use and sewage sludge application are major sources of soil microplastics. The study highlights that soil microplastics can harm plant growth, alter soil organisms, and potentially enter the food chain through crop uptake.
Microplastics (MPs) have become a global environmental concern because of their ubiquitous presence. While extensive microplastic researches have focused on the marine environment, pervasive MPs contamination in soil and their detrimental impacts have been largely overlooked. Excessive concentrations of MPs and additives have been found in soil derived from the use of plastic mulches and the application of sewage sludge to fields. They may pose directly or indirectly as adverse effects on flora and fauna. The objectives of this review are (1) to summarize the abundance, sources, and properties of MPs in soil; (2) to analyze combined effects of MPs and various other environmental pollutants on soil system; and (3) to discuss the possible risks posed by MPs to soil biodiversity, food safety and human health. This review will highlight key future research areas for scientists and policymakers, and increase overall understanding of soil MPs pollution and its potential environmental impacts.
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This review examines how microplastics accumulate in soil from sources like sewage sludge, agricultural plastic mulch, and wastewater, and how they affect soil ecosystems. Evidence indicates that microplastics alter soil physical and chemical properties, disrupt microbial communities and enzyme activity, and can harm plant growth and soil organisms. The authors highlight that soil microplastic pollution has received far less research attention compared to aquatic environments, despite its potential consequences for agriculture and food safety.
Microplastics in Agricultural Soils: An Emerging Threat to Soil Health, Microbial Ecology, Crop Productivity, and Food Safety
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A discussion of microplastics in soil and risks for ecosystems and food chains
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This review examines how microplastics accumulate in soils through agricultural practices, landfills, and wastewater, posing risks to ecosystems and food chains. Researchers found that while marine microplastic pollution has been well studied, terrestrial contamination remains poorly understood despite soil receiving more plastic waste than oceans. The study highlights how microplastics can alter soil properties, harm soil organisms, and potentially transfer through the food chain to humans.
A review of microplastics in the soil environment
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This review summarizes the current state of knowledge about microplastic contamination in soil environments, covering sources, distribution, and effects on soil organisms and ecosystems. The study highlights that while aquatic microplastic research is more advanced, soil contamination poses significant but understudied risks to terrestrial ecosystems and food production.
Microplastics as pollutants in agricultural soils
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This review examines how microplastics end up in agricultural soils through sewage sludge application, wastewater irrigation, plastic mulch films, and atmospheric deposition. Researchers found that microplastics interact with soil organisms and can alter soil structure and microbial communities, but standardized detection methods are still lacking. The study highlights the need for research on how microplastics move through soil, their effects on crop health, and global policies to address this growing agricultural concern.
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