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20 resultsShowing papers similar to Response of Soil Greenhouse Gases Emissionsto Microplastics Accompanied with Earthwormsand Biochar from a Sandy-Loam Soil
ClearInteractive effects of microplastics, biochar, and earthworms on CO2 and N2O emissions and microbial functional genes in vegetable-growing soil
Researchers found that the interactions between microplastics, biochar, and earthworms had complex effects on soil greenhouse gas emissions, with biochar reducing CO2 emissions but the combination with microplastics and earthworms promoting nitrous oxide emissions in vegetable-growing soil.
Polyethylene microplastic and biochar interactively affect the global warming potential of soil greenhouse gas emissions
A 45-day laboratory incubation experiment tested polyethylene microplastics and two types of biochar applied to agricultural soil alone and in combination, measuring effects on greenhouse gas emissions and microbial communities. Co-application of microplastic and biochar reduced the global warming potential of cumulative greenhouse gas emissions compared to microplastic alone, suggesting biochar partially mitigates microplastic effects on soil carbon cycling.
Biochar and Microplastics Affect Microbial Necromass Accumulation and CO2 and N2O Emissions from Soil
Researchers investigated how biochar and polyethylene microplastics interact in soil and found that both reduced CO2 and N2O greenhouse gas emissions, though through different mechanisms. Microplastics decreased emissions primarily by reducing dissolved organic matter and bacterial biomass, while biochar suppressed nitrogen-cycling genes. When combined, microplastics in biochar-treated soil unexpectedly increased microbial necromass carbon by disrupting soil aggregates, revealing complex interactions between these two soil amendments.
Biochar-microplastics interaction modulates soil nitrous oxide emissions and microbial communities
Researchers examined how biochar interacts with conventional and biodegradable microplastics in soil to affect coriander growth, nitrous oxide emissions, and microbial communities. They found that biochar generally reduced soil nitrous oxide emissions, but this benefit was diminished or even reversed when certain microplastics were present. The study suggests that the combined use of biochar and plastic mulch in agricultural fields can produce unexpected effects on greenhouse gas emissions and soil microbiology.
Presence of different microplastics promotes greenhouse gas emissions and alters the microbial community composition of farmland soil
Researchers examined how five types of microplastics (PVC, PP, PE, PS, and PET) at different concentrations affect greenhouse gas emissions and microbial communities in farmland soil. The study found that microplastic presence promoted greenhouse gas emissions and altered the composition of soil microbial communities, with effects varying by plastic type and concentration.
Effects of microplastics on soil organic carbon and greenhouse gas emissions in the context of straw incorporation: A comparison with different types of soil
Researchers combined microplastic treatments with straw incorporation in different soil types and measured effects on soil organic carbon and greenhouse gas emissions, finding that microplastics altered carbon cycling and in some soils increased CO2 and N2O emissions.
Disentangling microplastics effects on soil structure, microbial activity and greenhouse gas emissions
Researchers studied how microplastics affect soil structure, microbial activity, and greenhouse gas emissions, finding complex interactions that depend on microplastic type and concentration. The presence of microplastics in soils can alter the biological processes that regulate carbon storage and nutrient cycling.
Effects of microplastics on greenhouse gas emissions and the microbial community in fertilized soil
Two particle sizes of microplastics were added to fertilized soil and their effects on dissolved organic carbon, greenhouse gas fluxes, and microbial communities were measured, finding reduced global warming potential due to decreased methane emissions but changes in bacterial and fungal community composition. The study reveals complex interactions between microplastics and soil carbon cycling processes.
Microplastics in agricultural soil: Unveiling their role in shaping soil properties and driving greenhouse gas emissions
This review examines how microplastics in agricultural soils affect carbon and nitrogen cycles and alter greenhouse gas emissions. Researchers found that microplastics reduce soil water retention, decrease soil respiration, and increase emissions of carbon monoxide, methane, and nitrous oxide. The study reveals that microplastic contamination in farmland may have broader climate implications by disrupting the soil processes that regulate greenhouse gas fluxes.
The effect of polyvinyl chloride microplastics on soil properties, greenhouse gas emission, and element cycling-related genes: Roles of soil bacterial communities and correlation analysis
Researchers investigated how PVC microplastics of different shapes and concentrations affect soil properties, greenhouse gas emissions, and nutrient cycling. They found that microplastic particles significantly increased carbon dioxide emissions and altered bacterial communities involved in element cycling. The study suggests that microplastic contamination in agricultural soils could disrupt important environmental processes including carbon and nitrogen cycling.
Effect of microplastics on carbon, nitrogen and phosphorus cycle in farmland soil: A meta-analysis
This meta-analysis of 102 studies found that microplastics in farmland soil increased soil organic carbon, microbial biomass carbon, and microbial biomass nitrogen, but also elevated CO2, methane, and nitrous oxide emissions through enhanced carbon mineralization and denitrification. Microplastic biodegradability, size, concentration, and soil properties all drove these effects, suggesting agricultural microplastic pollution may worsen greenhouse gas emissions from farmland.
Influence of biochar and microplastics on microbial necromass accumulation and CO2 and N2O emission in a Calcaric Fluvisol
A 91-day soil experiment found that biochar reduced CO2 and N2O emissions, but the presence of microplastics partially counteracted these benefits, suggesting that plastic pollution can undermine soil carbon management strategies.
Microplastic Addition Alters the Microbial Community Structure and Stimulates Soil Carbon Dioxide Emissions in Vegetable-Growing Soil
A soil microcosm experiment found that low-density polyethylene microplastics significantly promoted CO₂ emissions from vegetable-growing soil, shifted the ratio of gram-positive to gram-negative bacteria, and altered microbial community structure in ways that could affect soil carbon cycling.
A Double‐Edged Sword of Biodegradable Microplastics on the Soil Microbial Carbon Pump
Researchers found that biodegradable microplastics in soil had a double-edged effect: they increased carbon dioxide emissions (contributing to greenhouse gases) but also boosted the efficiency of soil microbes at storing carbon in stable forms. This suggests microplastic pollution in farmland has complex environmental consequences that go beyond simple contamination, potentially affecting both climate change and long-term soil health.
Effects of microplastics on soil carbon dioxide emissions and the microbial functional genes involved in organic carbon decomposition in agricultural soil
Researchers studied how polyethylene microplastics in agricultural soil affect carbon dioxide emissions and the microbial genes responsible for breaking down organic matter. They found that aged microplastics boosted soil carbon dioxide output and shifted the abundance of genes involved in decomposing starch, cellulose, and other carbon compounds. The findings suggest that microplastic accumulation in farmland may alter soil carbon cycling in ways that could influence greenhouse gas emissions.
Polyethylene microplastics hamper aged biochar’s potential in mitigating greenhouse gas emissions
Polyethylene microplastics (1–5% by weight) significantly reduced the greenhouse gas-mitigating benefits of aged biochar in agricultural soil, decreasing soil aggregation and altering dissolved organic matter dynamics—raising concerns about microplastic interference with biochar-based carbon sequestration strategies.
Low-density polyethylene microplastics and biochar interactively affect greenhouse gas emissions and microbial community structure and function in paddy soil
Researchers examined how low-density polyethylene microplastics and biochar interact when added to paddy soil, affecting greenhouse gas emissions and microbial communities. The study found that both amendments significantly increased methane emissions while suppressing carbon dioxide output, and their combined presence altered soil microbial community structure and functional gene abundances in ways that influence biogeochemical processes.
Influence of polyethylene terephthalate microplastic and biochar co-existence on paddy soil bacterial community structure and greenhouse gas emission
Researchers studied how polyethylene terephthalate microplastics and biochar, both common in agricultural soils, affect soil bacteria and greenhouse gas emissions during rice cultivation. They found that microplastics alone reduced bacterial diversity, but adding biochar alongside the microplastics partially restored microbial communities and altered gas emissions. The study suggests that biochar may help mitigate some of the negative soil health effects of microplastic contamination in paddy fields.
Effects of microplastics on microbial community and greenhouse gas emission in soil: A critical review
This review examines how microplastics in soil affect microbial communities and greenhouse gas emissions, finding that microplastics can alter the abundance and activity of soil bacteria in ways that increase carbon dioxide and nitrous oxide release. The plastics change soil structure and chemistry, creating conditions that favor certain gas-producing microbes over others. These effects could worsen climate change while also disrupting soil fertility, with indirect consequences for food production.
Microplastics and biochar interactively affect nitrous oxide emissions from tobacco planting soil
Researchers examined how different types of microplastics from agricultural mulch interact with rice biochar to affect nitrous oxide emissions from tobacco-growing soil in China. They found that the combined effects of microplastics and biochar on soil emissions differed depending on the plastic polymer type, with some combinations reducing emissions while others did not. The study reveals the complex interplay between plastic residues and soil amendments in agricultural greenhouse gas dynamics.