Soil Microplastics

Soil microplastics are plastic particles smaller than 5 millimeters that accumulate in terrestrial environments and can alter soil structure, chemistry, and biological activity. They enter soil through the breakdown of larger plastic waste, agricultural films, compost, wastewater, and atmospheric deposition, then move through erosion, water flow, and biological activity. Their effects depend on particle size, polymer type, concentration, and associated chemicals, with potential consequences for soil organisms, nutrient cycling, plant growth, and contaminant transport. Studying soil microplastics helps researchers assess pollution pathways, evaluate risks to terrestrial ecosystems, and develop improved waste-management and environmental-monitoring strategies.

Soil Microplastics - Related Videos

Research

JoVE Journal - Environment

Separation and Identification of Conventional Microplastics from Farmland Soils

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Cited by 5 •

2025

Presented here is a method for extracting microplastics from soil and identifying their polymer types. The method has been optimized for execution, applicability, and cost-effectiveness. It lays a scientific foundation for standardizing the analytical method to identify microplastics in soils.

Research

JoVE Journal - Environment
Free Sample

Sampling and Identification of Microplastics in Groundwater

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Cited by 1 •

2025

Here, we provide a detailed description of sampling groundwater from a borehole for microplastics analysis using a patented sampling system developed for this purpose. The protocol details the methods for sampling microplastics from boreholes, as well as the separation and chemical identification of microplastics.

Quantification of Polybutylene Adipate Terephthalate-based Micro- and Nano-plastics from Soil Using Proton Nuclear Magnetic Resonance Spectroscopy

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Cited by 1 •

2025

A method to quantify micro- and nano-plastics originating from polybutylene adipate terephthalate in soil using nuclear magnetic resonance spectroscopy is described here. This technique improves on existing methodology because it extends to quantification of nanoplastics and it can easily be adapted for processing environmental samples in bulk.

Research

JoVE Journal - Environment
Free Sample

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

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Cited by 194 •

2016

The protocol below describes the methodology for: microplastics sampling on the sea surface, separation of microplastic and chemical identification of particles. This protocol is in line with the recommendations for microplastics monitoring published by the MSFD Technical Subgroup on Marine Litter.

Utilizing Soil Density Fractionation to Separate Distinct Soil Carbon Pools

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Cited by 3 •

2022

Soil density fractionation separates soil organic matter into distinct pools with differing stabilization mechanisms, chemistries, and turnover times. Sodium polytungstate solutions with specific densities allow the separation of free particulate organic matter and mineral-associated organic matter, resulting in organic matter fractions suitable for describing the soil response to management and climate change.

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