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Effects of Microplastics on Agriculture: A Mini-review
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This mini-review synthesizes evidence that microplastics alter soil physical properties and can be taken up by plant roots and transported to shoots, though effects on crop growth depend heavily on plastic type, size, and concentration. The review calls for more research on how microplastics affect crops in realistic field conditions.
Microplastics have permeated most, if not all, ecosystems including the terrestrial ones. The presence of microplastics in soil poses concerns on plants and agriculture. Microplastics alter soil biophysical properties including bulk density, water holding capacity and soil microbial interactions with water stable aggregates. The effects of microplastics on soil and plants frequently depend on the types and sizes of microplastics. This mini review presents a concise illustration of the impacts of microplastics on plants and crops. From the review, microplastics alter soil biophysical and chemical characteristics either positively or negatively depending on their types, concentrations, sizes and shapes. It reveals the ability of microplastics to affect enzymatic activities of plants which could lead to genotoxicity and oxidative damage. It unveils endocytosis of microplastics by specific plant cells as well as the uptake of microplastics via root and their accumulation and transport in plants facilitated by transpiration. This review also shows microplastics reduce root growth and seed germination at least transiently while do not seem to alter chlorophyll content. Microplastics were found to not interfere with phytoremediation of metals by the common reeds. This review highlights the need of more studies to confirm the effects of microplastics on crops and plants as the existing studies in this area are limited.
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Effects of microplastics on farmland soils and plants: a review
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This review synthesized evidence on how microplastics affect farmland soils and crops, examining changes to soil structure, microbial communities, and plant health. The authors document that MPs can enter root systems, alter nutrient uptake, and disrupt soil ecology, with implications for food safety and agricultural productivity.
Microplastic Contamination in Agricultural Soils: Impacts on soil properties and plant performance
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This review synthesized research on microplastic contamination in agricultural soils, examining how MPs affect soil physical properties, chemistry, and plant growth performance. It identified key knowledge gaps around MP accumulation rates, long-term soil effects, and impacts on food crop yields.
Recent advances on microplastics/nanoplastics interaction with plant species: A concise review
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This review synthesizes research on how microplastics and nanoplastics interact with plants, finding that plastic particles in soil can interfere with root uptake, germination, and crop yields depending on the type and concentration of plastic present. The findings are particularly relevant to human health because food crops grown in microplastic-contaminated agricultural soils may absorb or accumulate plastic particles, creating a direct dietary exposure route.
Plants and microplastics: Growing impacts in the terrestrial environment
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This review examines how microplastics affect plant growth and food crops, finding that exposure generally reduces plant size, chlorophyll content, and photosynthesis, though low concentrations can sometimes stimulate root growth. Plants can take up plastic particles smaller than 1 micrometer through their roots and move them to other tissues. These findings raise concerns that microplastics in soil, which can occur at higher levels than in water, could affect the health and nutritional quality of the food crops that people depend on.
Microplastics interaction with terrestrial plants and their impacts on agriculture
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This review summarizes what is known about how microplastics interact with terrestrial plants, including how they are taken up, transported through plant tissues, and affect growth and agricultural productivity. Researchers note that while marine microplastic research is extensive, studies on soil ecosystems and crop impacts remain limited. The study highlights the need for more research on how microplastics in agricultural soils may ultimately affect food safety and human health.
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