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AuthorAziz, Khan
AuthorJie, Zheng
AuthorWang, Jing
AuthorNepal, Jaya
AuthorUllah, Najeeb
AuthorZhao, Ze-Ying
AuthorWang, Peng-Yang
AuthorAhmad, Wiqar
AuthorKhan, Adnan
AuthorWang, Wei
AuthorLi, Meng-Ying
AuthorZhang, Wei
AuthorElsheikh, Mohammad Soliman
AuthorXiong, You-Cai
Available date2023-10-10T08:16:05Z
Publication Date2023-11-15
Publication NameScience of The Total Environment
Identifierhttp://dx.doi.org/10.1016/j.scitotenv.2023.165688
ISSN00489697
URIhttps://www.sciencedirect.com/science/article/pii/S0048969723043115
URIhttp://hdl.handle.net/10576/48391
AbstractThe rise of plasticulture as mulching material in farming systems has raised concerns about microplastics (MPs) in the agricultural landscape. MPs are emerging pollutants in croplands and water systems with significant ecological risks, particularly over the long term. In the soil systems, MPs polymer type, thinness, shape, and size induces numerous effects on soil aggregates, dissolved organic carbon (C), rapidly oxidized organic C, microbial biomass C, microbial biomass nitrogen (N), microbial immobilization, degradation of organic matter, N cycling, and production of greenhouse gas emissions (GHGs), thereby posing a significant risk of impairing soil physical and biochemical properties over time. Further, toxic chemicals released from polyethylene mulching (PMs) might indirectly harm plant growth by affecting soil wetting-drying cycles, releasing toxic substances that interact with soil matrix, and suppressing soil microbial activity. In the environment, accumulation of MPs poses a risk to human health by accelerating emissions of GHGs, e.g., methane and carbon dioxide, or directly releasing toxic substances such as phthalic acid esters (PAEs) into the soils. Also, larger sizes MPs can adhere to root surface and block stomata could significantly change the shape of root epidermal cells resulting in arrest plant growth and development by restricting water-nutrient uptake, and gene expression and altering the biodiversity of the soil pollutants. In this review, we systematically analyzed the potential risks of MPs to the soil-plant and human body, their occurrence, abundance, and migration in agroecosystems. Further, the impacts of MPs on soil microbial function, nutrient cycling, soil C, and GHGs are mechanistically reviewed, with emphasis on potential green solutions such as organic materials amendments along with future research directions for more eco-friendly and sustainable plastic management in agroecosystems.
SponsorThe current work was supported by the Fundamental Research Funds for the National Natural Science Foundation of China (32161143012).
Languageen
PublisherElsevier
SubjectEnvironmental pollution
micro-plastics
Greenhouse gases emission
Soil contaminants
Soil-plant health
TitleEcological risks of microplastics contamination with green solutions and future perspectives
TypeArticle
Volume Number899
dc.accessType Full Text


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