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61,005 resultsShowing papers similar to Influência nos processos de retenção e transporte de pesticidas e ecotoxicidade de microplásticos em solo tropical
ClearInfluence on the processes of retention and transport of pesticides and ecotoxicity of microplastics in a tropical soil
Researchers investigated how high-density polyethylene microplastics from agricultural mulch films affect the behavior of three pesticides in tropical soil, finding that microplastics altered pesticide sorption, transport, and leaching while also increasing ecotoxicological effects on earthworms.
Interactions of Microplastics with Pesticides in Soils and Their Ecotoxicological Implications
This review examines how microplastics interact with pesticides in soil environments, finding that microplastics can sorb and transport pesticides, potentially altering their bioavailability and toxicity to soil organisms and ecosystems.
Insight into the effect of microplastics on the adsorption and degradation behavior of thiamethoxam in agricultural soils
Researchers found that microplastics in agricultural soil alter both the adsorption and degradation behavior of the pesticide thiamethoxam, with different plastic types showing varying effects on how the pesticide binds to soil and breaks down over time.
Impact of microalgal biomass and microplastics on the sorption behaviour of pesticides in soil: a comparative study
Researchers examined how microalgal biomass interacts with microplastics to influence pesticide sorption behavior, finding that algal exudates coating MP surfaces altered their affinity for pesticides and affected the overall fate of pesticide-MP complexes in water.
Agricultural film-derived microplastics elevate the potential risk of pesticides in soil ecosystem: The inhibited leaching by altering soil pore
Researchers found that microplastics derived from agricultural mulch film can increase the environmental risk of pesticides by altering soil pore structure and inhibiting pesticide leaching. Smaller microplastic particles had a stronger effect on trapping pesticides in the upper soil layers, leading to higher localized concentrations. The study suggests that the co-occurrence of microplastics and pesticides in farm soils may create compounding contamination risks for agricultural ecosystems.
Impacto del plástico de envases de pesticidas en suelos agrícolas: una problemática cultural del agro ecuatoriano
This study examined the microplastic contamination of agricultural soils in Latin America caused by the degradation of pesticide containers, which are often left in fields where UV light fragments them. The research highlights an underappreciated source of agricultural soil microplastic pollution that disproportionately affects small and medium-scale farmers.
Impact of polyethylene microplastics on the vertical migration of pesticides in soil
Researchers investigated how polyethylene microplastics affect the vertical migration of pesticide mixtures in soil using stainless steel column experiments with sandy reference soil, finding that microplastics' hydrophobic surfaces and high sorption capacity altered the transport of 20 pesticides compared to uncontaminated soil.
Effects of neonicotinoid insecticides on transport of non-degradable agricultural film microplastics
Researchers investigated how neonicotinoid insecticides adsorb onto agricultural film microplastics and affect their transport through porous media, finding that neonicotinoids altered microplastic mobility in ways that could influence contaminant spread in farmland soils.
Different effects of polyethylene microplastics on bioaccumulation of three fungicides in maize (Zea mays L.)
Polyethylene microplastics in agricultural soil altered the sorption and dissipation of three fungicides and their accumulation in maize plants, with effects differing by fungicide type and plastic particle concentration.
Influence of microplastic addition on glyphosate decay and soil microbial activities in Chinese loess soil
Adding polyethylene microplastics to soil influenced the degradation of the herbicide glyphosate and altered microbial activity, with effects depending on the concentration of both microplastics and glyphosate. The findings suggest that microplastic contamination in agricultural soils could affect how long pesticides persist and how soil microbes function.
Fate and Transport Pathways of Microplastics in Agricultural Soil and their Interaction with Agrochemicals
Researchers reviewed how microplastics and nanoplastics move through agricultural soil and interact with agrochemicals like pesticides and fertilizers. The study highlights that industrialization-driven plastic accumulation fragments into microplastics in farming environments, where their interactions with agricultural chemicals may amplify environmental and food safety risks.
Effects of microplastics on the environmental behaviors of the herbicide atrazine in soil: Dissipation, adsorption, and bioconcentration
Researchers examined how the presence of microplastics in soil affects the behavior of the herbicide atrazine, including how quickly it breaks down and how much is absorbed by plants. They found that microplastics reduced the herbicide's half-life in soil, increased its adsorption to soil particles, and significantly boosted its uptake into plant tissues. The study suggests that microplastic contamination in agricultural soils could change how pesticides behave, potentially increasing crop contamination.
Exploring sorption of pesticides and PAHs in microplastics derived from plastic mulch films used in modern agriculture
Researchers investigated how microplastics derived from agricultural mulch films sorb pesticides and polycyclic aromatic hydrocarbons, finding significant uptake that could facilitate transfer of these contaminants through farming environments.
Simazine degradation in agroecosystems: Will it be affected by the type and amount of microplastic pollution?
Researchers investigated for the first time how the type and amount of microplastic pollution affects simazine herbicide degradation in agroecosystems, exploring the poorly understood synergistic interactions between plastic and pesticide contaminants in soil.
A comparative study on the adsorption behavior and mechanism of pesticides on agricultural film microplastics and straw degradation products
Researchers compared how agricultural film microplastics and straw-derived cellulose particles adsorb pesticides in farmland soils, finding that both materials sorb pesticides but through different mechanisms, with microplastics showing higher affinity for hydrophobic compounds, potentially altering pesticide mobility and bioavailability.
Effect of PVC microplastics on pesticide sorption behavior in soil: Key roles of particle size and aging
Researchers studied how PVC microplastics of different sizes and aging states affect pesticide behavior in agricultural soil. They found that smaller and aged microplastics significantly enhanced pesticide adsorption and made it harder to release back into the soil, primarily through hydrogen bonding mechanisms. The study highlights the need to account for microplastic contamination when assessing how pesticides move through and persist in agricultural soils.
Tiny toxins, big problems: the hidden threat of microplastic in agroecosystems
This review examines the impacts of microplastic contamination in agricultural soils, covering sources from plastic mulch and irrigation, effects on soil structure, water retention, microbial diversity, and nutrient cycling, and consequences for crop health and food safety.
The vertical migration of a pesticide mixture in sandy soil is strongly driven by their sorption behavior and can be altered by Polyethylene Microplastics
Researchers packed sandy soil columns with a mixture of 20 pesticides and 1% polyethylene microplastics, then flushed them with contaminated water to track pesticide movement. They found that PE microplastics accelerated the downward migration of five slowly leaching pesticides, increasing the risk of groundwater contamination.
Impact of polyethylene microplastics on the vertical migration of pesticides in soil
Researchers investigated the impact of polyethylene microplastics on the vertical migration of complex pesticide mixtures in soil using medium-sized column experiments with 20 pesticides, addressing the gap that prior studies had focused on single-compound rather than multi-compound contamination scenarios. The study examined how microplastic hydrophobic surfaces and sorption capacity alter pesticide mobility and leaching risk in agricultural soils.
Adsorption behavior and mechanism of five pesticides on microplastics from agricultural polyethylene films
Researchers studied how five common pesticides adsorb onto polyethylene microplastics derived from agricultural soil films. They found that all five pesticides bind to microplastic surfaces, with the process driven by both physical and chemical interactions. The study suggests that microplastics in agricultural soils could act as carriers for pesticide contamination, with adsorption capacity varying depending on the pesticide's chemical properties.