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61,005 resultsShowing papers similar to Microplastics in agricultural soils: Evidence from an industrial suburb of Bangladesh
ClearThe potential contribution of microplastic pollution by organic fertilizers in agricultural soils of Bangladesh: quantification, characterization, and risk appraisals
Researchers found an average of 1,530 microplastic particles per kilogram of commercial organic fertilizer in Bangladesh, estimating that annual fertilizer application could introduce up to 1,387 metric tons of microplastics to agricultural soils nationwide.
Microplastic Contamination of Non-Mulched Agricultural Soils in Bangladesh: Detection, Characterization, Source Apportionment and Probabilistic Health Risk Assessment
Researchers found microplastics in agricultural soil across Bangladesh at all depths tested, even though the fields did not use plastic mulch film. Eight different plastic types were identified, with concentrations varying by location, and coastal areas had the highest levels. The study suggests that irrigation water and organic fertilizers are introducing microplastics to farmland, potentially entering the food chain through crops grown in contaminated soil.
Macro and microplastics in the soil: abundance, characterization, identification, and interactions under different land uses in an agricultural sub-basin
Researchers examined the abundance, characterization, identification, and interactions of macro- and microplastics in soils under different land uses within an agricultural sub-basin, assessing how land-use patterns influence plastic pollution distribution and potential interactions with the soil environment.
Abundance, spatial distribution, and characteristics of microplastics in agricultural soils and their relationship with contributing factors
Researchers found microplastic concentrations of 2,800 to 82,500 particles per kilogram in agricultural soils of Hainan Island, China, with plastic mulching, farming practices, and environmental factors all contributing to spatial variation in contamination levels.
A review of microplastics pollution in the soil and terrestrial ecosystems: A global and Bangladesh perspective
This review examined microplastic pollution in soils and terrestrial ecosystems from both global and Bangladesh perspectives. Researchers found that while microplastics are well-studied in aquatic environments, their presence in agricultural soils poses a largely unexplored threat to food safety, with evidence suggesting microplastics can transfer from soil through terrestrial agriculture into the human food chain.
Microplastics contamination in the soil from Urban Landfill site, Dhaka, Bangladesh
Researchers assessed microplastic contamination in soil samples from an urban landfill site in Dhaka, Bangladesh. They found microplastics in all samples, predominantly fibers and fragments made of polyethylene and polypropylene, with concentrations varying across the landfill. The study provides some of the first evidence of terrestrial microplastic pollution in Bangladesh and identifies urban landfills as significant reservoirs of soil microplastic contamination.
Spatial distribution and ecological risks of microplastics in agricultural soils near a solid waste dumpsite in southwest Bangladesh
Researchers assessed microplastic contamination in agricultural soils surrounding a municipal solid waste dumpsite in southwest Bangladesh, characterizing the types, spatial distribution, and ecological risks. They found significant microplastic accumulation in soils near the dump, with contamination levels decreasing at greater distances. The study highlights that waste dumpsites are important point sources of microplastic pollution that can affect the fertility and ecological health of surrounding agricultural lands.
Identification of microplastics from urban informal solid waste landfill soil; MP associations with COD and chloride
Researchers identified microplastic concentrations of 180–1,120 particles per kilogram of soil in an urban informal landfill in India, with fragments and fibers as the dominant shapes, and found that microplastic presence altered key soil properties including conductivity and moisture content.
Influences of land use and depth profile on the characteristics of microplastics in agricultural soils
Researchers examined how land use and soil depth profile influence microplastic characteristics in agricultural soils, finding that wastewater and sludge application, plastic mulching, and atmospheric deposition are key sources, and that MP type and abundance vary with soil management practice and depth, highlighting the importance of vertical distribution in soil MP studies.
Risk assessment of microplastic pollution in an industrial region of Bangladesh
Scientists assessed microplastic pollution in industrial soil from Narayanganj, Bangladesh, finding contamination in all 12 samples tested, with fibers being the most common particle type. A pollution risk assessment classified the area as having a moderate to high level of microplastic contamination. This study highlights how industrial regions in developing countries face significant microplastic soil pollution that could affect nearby communities through dust, water, and locally grown food.
Microplastics abundance associated with farmland use types and the impact on soil microbial communities: A case study in Southern China
Researchers surveyed microplastic contamination across orchard, paddy field, and vegetable field soils in Southern China and analyzed how it affected soil microbial communities. They found microplastic levels ranging widely across sites, with very small particles under 30 micrometers being most common, and identified 32 different polymer types. The study shows that farmland use type and agricultural practices like plastic mulching significantly influence both the amount and type of microplastic contamination in soils.
Current scenario and challenges of plastic pollution in Bangladesh: a focus on farmlands and terrestrial ecosystems
Researchers reviewed the sources, dispersion routes, and environmental consequences of plastic waste across global and Bangladesh-specific contexts, finding that inadequate infrastructure and limited resources make plastic pollution — including microplastics entering agricultural soils, marine environments, and food chains — an especially acute threat in developing countries.
Identification, characterization, and implications of microplastics in soil – A case study of Bhopal, central India
Researchers identified and characterized microplastics in soils from Bhopal, central India, documenting their occurrence, distribution, and polymer composition to assess the extent of soil contamination from poor plastic waste management practices.
Occurrence, distribution, and characteristics of microplastics in agricultural soil around a solid waste treatment center in southeast China
Researchers found microplastic contamination in all agricultural soil samples surrounding a solid waste treatment center in southeastern China, with concentrations up to 2,360 particles per kilogram and evidence that weathered polyethylene and polypropylene particles are accumulating heavy metals on their surfaces.
Significant influence of land use types and anthropogenic activities on the distribution of microplastics in soil: A case from a typical mining-agricultural city
Scientists surveyed microplastic pollution across five types of land in a Chinese mining-agricultural city and found the highest levels in greenhouse farmland, with nearly 3,738 particles per kilogram of soil. Agricultural plastic waste, irrigation water, and fertilizers were identified as the main sources of contamination. The study shows that farming practices are major contributors to microplastic buildup in the soil that produces our food.
Microplastic Pollution in Residential Soils
Researchers collected surface soil from three residential density zones in Surabaya, Indonesia, and characterized microplastics by abundance, shape, color, and polymer type. Microplastics were present in all samples, with concentrations higher in denser residential areas, likely reflecting greater per-capita plastic use and outdoor plastic degradation.
Quantification and identification of microplastics in organic fertilizers: the implication for the manufacture and safe application
Researchers measured microplastic contamination in 23 commercial organic fertilizers, finding widespread presence at levels that could meaningfully contribute to agricultural soil pollution when fertilizers are applied. The results raise concerns about organic fertilizers as an underappreciated pathway for microplastics entering farm soils and the food system.
Spatial Distributions, Compositional Profiles, Potential Sources, and Intfluencing Factors of Microplastics in Soils from Different Agricultural Farmlands in China: A National Perspective
Researchers conducted a nationwide survey of microplastics in Chinese agricultural soils, collecting 477 samples from 109 cities across 31 regions, and identified spatial distribution patterns and key factors influencing farmland microplastic contamination.
Are Agricultural Soils Dumps for Microplastics of Urban Origin?
Researchers investigated whether agricultural soils serve as dumping grounds for urban-origin microplastics, finding evidence that sewage sludge application and atmospheric deposition deliver city-sourced plastics to farmland.
An evaluation on microplastic accumulations in Turkish soils under different land uses
Researchers analyzed 55 soil samples from agricultural and urban areas across three Turkish regions, finding higher microplastic concentrations in agricultural soils (averaging 193 particles/kg) than urban soils, with polyethylene fibers under 1 mm dominating both land use types.
Characterization of Microplastics and Associated Heavy Metals in Urban Soils Affected by Anthropogenic Littering: Distribution, Spatial Variation, and Influence of Soil Properties
Researchers sampled soils across residential, commercial, and industrial land-use types in urban areas and found microplastics in every location, with polypropylene, polyethylene, and polyamide as the dominant polymer types, at concentrations up to 850,000 particles per kilogram. Heavy metals were also associated with the plastic particles, meaning microplastics in urban soil may serve as combined carriers of chemical toxicants. The findings highlight urban soil as a major but underappreciated reservoir of microplastic pollution.
Effects of agricultural land types on microplastic abundance: A nationwide meta-analysis in China
Meta-analysis of 321 observations across Chinese agricultural soils found that vegetable-growing soils had the highest microplastic contamination, followed by orchards, cropland, and grassland. Agricultural film mulch significantly increased soil microplastic levels, especially in orchards, while higher population density and economic activity correlated with increased contamination across all land types.
Microplastic abundance at differences agricultural practices: a case study in Tanjong Karang, Selangor
Microplastics were found in agricultural soils in Malaysia at concentrations influenced by farming intensity, with fields using more plastic mulch and irrigation showing higher contamination levels.
Identification of factors influencing the microplastic distribution in agricultural soil on Hainan Island
Researchers surveyed agricultural soils across Hainan Island and found microplastics in every sample, with concentrations averaging 417 items per kilogram. The study identified soil pH, organic matter content, and temperature as key factors influencing microplastic fragmentation, while population density and tourism activity affected how much plastic entered the soil.