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Microplastic interactions in the agroecosystems: methodological advances and limitations in quantifying microplastics
Pazhamthavalathil Anil Athulya1, Yojana Waychal1, Andres Rodriguez-Seijo2,3
1Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
Environmental Geochemistry and Health
|February 17, 2024
Summary
Microplastics in soil harm crop yield by altering soil properties and increasing pollutant bioavailability. This review details their impact and discusses methods for microplastic detection in agroecosystems.
Area of Science:
- Agricultural Science
- Environmental Science
- Soil Science
Background:
- Global population growth strains agriculture.
- Climate change and soil pollution threaten crop productivity.
- Microplastics are pervasive pollutants impacting agroecosystems.
Purpose of the Study:
- To review microplastic behavior and impacts in soil.
- To analyze effects on soil quality and crop growth.
- To discuss detection methods and research gaps.
Main Methods:
- Comprehensive literature review.
- Analysis of microplastic interactions with soil properties.
- Evaluation of microplastic effects on plant growth and pollutant bioavailability.
Main Results:
- Microplastics alter soil's water-holding capacity, density, aeration, texture, and microbial communities.
- Microplastics enhance the bioavailability of pollutants like heavy metals and polyaromatic hydrocarbons.
- Current detection techniques for soil microplastics are reviewed.
Conclusions:
- Microplastic contamination poses a significant threat to agricultural sustainability.
- Understanding microplastic behavior is crucial for mitigating impacts on crop yield and soil health.
- Further research is needed to address detection challenges and develop effective solutions.
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