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Micro/nanoplastics: a potential threat to crops
Summary
This review examines micro- and nanoplastic contamination in agricultural soil and water, summarizing sources, adsorption onto microplastics, uptake pathways into crops, effects on plant growth and physiology, and current detection and removal approaches, while highlighting the limited data on nanoplastic transport in plants.
The distribution of micro/nanoplastics in soil and water environments is a potential agricultural threat. Since micro/nanoplastics are a new and highly concerning contaminant, in recent years research on micro/nanoplastics has rapidly increased. Here, we review recent scientific papers on micro/nanoplastics in agricultural systems, including micro/nanoplastic sources, microplastic adsorption, nanoplastic absorption, micro/nanoplastic effects on crops, and micro/nanoplastic detection and removal methods. There is very little information available concerning nanoplastic transport in planta; therefore, more research is needed to gain a better understanding of how micro/nanoplastic particles are transported. We also discuss the accumulation of micro/nanoplastics in crops as a potential threat to food safety. Finally, we propose future micro/nanoplastic research directions.
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