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Effect of Micro/Nano-Plastics Accumulation on Soil Nutrient Cycling
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This review examines how micro- and nanoplastics accumulate in soil and affect nutrient cycling by modulating soil nutrient availability, microbial community function, and enzyme activities involved in nitrogen cycling and other processes. The authors synthesize evidence from agricultural management contexts including composting, mulching, and sewage sludge application to highlight ecological risks.
The micro/nanoplastics (M/NPs) have attracted attention from around the world regarding their effects on the environment due to their broad distribution, potential ecological risks, and persistence. M/NPs, which are present in soil, water, and the atmosphere, are minute pieces of both organic and inorganic plastic trash. M/NPs are broadly recognized as a serious global ecological concern because of their widespread use and improper management of waste. The use of M/NPs in agriculture has its origins in different kinds of agricultural management practices, including as composting, mulching, and sewage sludge, affecting soil and plant properties. Polluting substances, notably plastic trash, are beginning to have a significant impact on crucial soil ecosystem activities, such as soil microbial interactions and nitrogen cycling. The goal in presenting the evidence currently available is to show how M/NPs affect soil nutrient cycling by modulating soil nutrient availability, microbial communities that are functional, and soil enzyme activities that may have ecological significance.
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Microplastics accumulating in agricultural soils can disrupt the natural cycling of carbon, nitrogen, and phosphorus by altering microbial communities and reducing soil enzyme activity. This review highlights that even at current environmental concentrations, microplastics may impair the soil ecosystem functions that underpin food production, though the full extent of effects on nutrient cycles remains incompletely understood.
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This review summarizes how microplastic pollution in agricultural soils affects carbon and nitrogen cycling by altering soil properties, microbial communities, and enzymatic activity. Evidence indicates that microplastics can change organic matter degradation rates and nutrient cycling processes, with implications for soil health and agricultural productivity.
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This review examines how micro- and nano-plastics affect soil microbial activity and nitrogen cycling in agricultural ecosystems, finding mixed effects that depend on polymer type and size. The authors highlight concerns about biodegradable plastics posing greater risks to plant growth than conventional plastics, complicating the assumption that biodegradable options are always safer.
Impact of Microplastics in Agricultural Soil on Nutrient Recycling and Fertility
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This book chapter examines how microplastic accumulation in agricultural soils disrupts nutrient cycling, affects soil microbial communities, and impairs fertility, reviewing evidence from laboratory and field studies and discussing implications for sustainable food production.
Key factors and mechanisms of microplastics’ effects on soil nitrogen transformation: A review
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This review systematically analyzed how microplastics affect nitrogen transformation processes in soil. Researchers found that the size, shape, concentration, and polymer type of microplastics all influence soil nitrogen cycling through changes to microbial communities, soil structure, and enzyme activity. The study identifies key knowledge gaps and recommends standardized research approaches to better predict how microplastic pollution will alter soil nutrient dynamics.
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