Agricultural plastic mulching as a source of microplastics in the terrestrial environment

Huang, Yi; Q, Liu; Jia, Weiqian; Yan, Changrong; Wang, Jie

doi:10.1016/j.envpol.2020.114096

Cited by 752 publications

(264 citation statements)

References 46 publications

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“…were not identified. Sample comparison between Liu et al [131] and Huang et al [132] is difficult due to the fact that sampling depths and film mulching time periods differ between the two studies; however, the 5-year fields from 0-5 cm are comparable to the results obtained by Liu et al [131].…”

Section: Soilmentioning

confidence: 65%

“…Huang et al [132] also investigated the abundance of microplastics due to the continuous application of film mulching, but over 5-, 15-and 24-year periods in cotton fields in Shihezi, Xinjiang Uygur Autonomous Region, China. The 5-year fields were sampled from 0-5, 5-20 and 20-40 cm resulting in average abundances of 61.9 ± 20.6, 102.9 ± 69.4, and 68.0 ± 41.4 pieces/kg dw, respectively, and no significant differences at depth.…”

Section: Soilmentioning

confidence: 99%

“…In the 5-, 15-and 24-year periods there was an average abundance of 80.3 ± 49.3, 308 ± 138.1 and 1075.6 ± 346.8 pieces/kg dw, respectively, indicating that the continuous application of film mulching over time results in accumulated microplastic abundance in the soils. Huang et al [132] was able to determine that the microplastics' chemical composition matched the plastic film mulching chemical composition, suggesting that they did originate from the plastic film; however the types of microplastics (i.e., fibre, fragment, film, etc.) were not identified.…”

Section: Soilmentioning

confidence: 99%

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Microplastics and Nanoplastics in the Freshwater and Terrestrial Environment: A Review

Boyle

Örmeci

2020

Water

172

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This review is a critical analysis of current freshwater and terrestrial research with an emphasis on transport, behaviour, fate and subsequent ecological impacts that plastic pollution poses. The current methods of extraction and evaluation of organic-rich samples are also explored for both micro- and nanoplastics. Furthermore, micro- and nanoplastics are discussed with reference to their environmental and health implications for biota. Regulations imposed on the manufacture and distribution of plastics globally are also noted. Within the review, the current literature has been presented and knowledge gaps identified. These include the characterization and quantification of micro- and nanoplastics entering and forming within the freshwater and terrestrial environment, the fate and behaviour of micro- and nanoplastics under varying conditions and the impacts of micro- and nanoplastics on freshwater and terrestrial ecosystems.

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Section: Soilmentioning

confidence: 65%

Section: Soilmentioning

confidence: 99%

Section: Soilmentioning

confidence: 99%

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Microplastics and Nanoplastics in the Freshwater and Terrestrial Environment: A Review

Boyle

Örmeci

2020

Water

172

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“…Most of the studies are structured very similarly using mechanical agitation within a salt solution for the detachment and density separation of MP. In two cases a foregoing and in six cases a subsequent additional oxidation of soil organic matter with H2O2 or other oxidants was applied, followed by lightmicroscopy and FTIR spectroscopy (LM+FTIR) for particle counting and identification of MP (Liu et al, 2018;Zhang and Liu, 2018;Han et al, 2019;Lv et al, 2019;Zhou et al, 2019;Chen et al, 2020;Ding et al, 2020;Huang et al, 2020;Zhang et al, 2020;Zhou et al, 2020). The 11 studies showed a median MP particle number of 1076 items kg -1 with a 25 % quantile of 78 items kg -1 , a 75 % quantile of 2500 items kg -1 and a maximum of 690000 items kg -1 .…”

Section: East Asiamentioning

confidence: 99%

Global concentrations of microplastic in soils, a review

Büks

Kaupenjohann

2020

Preprint

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Abstract. Worldwide, microplastic (MP) has been commonly recognized as a threat for soil ecosystems. Terrestrial soils are widely contaminated by MP due to the application of sewage sludge and wastewater, plastic mulching, littering, the input of tire wear from roads and atmospheric deposition. Within the last decade, an increasing number of individual studies focused on item counts and masses of MP in different global soil environments. We reviewed these studies to achieve a representative picture of common degrees of contamination. The majority of the prospected agricultural and horticultural sites was exposed to sewage sludge and mulching film application and showed concentrations of

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“…The study established an increasing load of microplastics with plastic mulch applications, as high as 1075 microplastics per kilogram dry soil where mulch had been applied for 24 years. Plastic materials were identified using FTIR, which established the presence of polyethylene plastic mulch (Huang et al 2020). In comparison, a study conducted by Piehl et al on agriculture soils not amended with plastic mulch or biosolids showed an average of 0.36 microplastics per kilogram of dry soil (Piehl et al 2018).…”

Section: Agriculture Fieldsmentioning

confidence: 99%

Microplastics in Soils and Sediment: Sources, Methodologies, and Interactions with Microorganisms

Peller¹,

McCool²,

Watters³

2020

Handbook of Microplastics in the Environment

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The massive scope of plastic and microplastic pollution in soils and sediments requires broad and thorough studies to understand details of the extent and effects of these persistent pollutants. Plastic particulate pollutants in the environment are subjected to natural processes, fragment over time into smaller pieces, and influence the surrounding biota. Land environments, from open fields to agricultural fields to watersheds and deep ocean sediment, have been subjected to plastics/microplastics from a variety of sources and via natural and anthropogenic transport for many years. A number of different sampling, processing, and detection methods have been used to identify and quantify the loads of microplastics in soils and sediments. Scientific studies are still lacking systematic, standardized protocols, which will allow for accurate comparisons and compilations of data from around the world. This review chapter highlights many studies published over the past several years on land environments affected by

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Agricultural plastic mulching as a source of microplastics in the terrestrial environment

Cited by 752 publications

References 46 publications

Microplastics and Nanoplastics in the Freshwater and Terrestrial Environment: A Review

Microplastics and Nanoplastics in the Freshwater and Terrestrial Environment: A Review

Global concentrations of microplastic in soils, a review

Microplastics in Soils and Sediment: Sources, Methodologies, and Interactions with Microorganisms

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