Cited by 1,655Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental ImpactsWaste Management and Recycling

Plastics in soil: Analytical methods and possible sources

Bläsing, Melanie, Amelung, Wulf·2018·Science of The Total Environment

Abstract

At least 300 Mio t of plastic are produced annually, from which large parts end up in the environment, where it persists over decades, harms biota and enters the food chain. Yet, almost nothing is known about plastic pollution of soil; hence, the aims of this work are to review current knowledge on i) available methods for the quantification and identification of plastic in soil, ii) the quantity and possible input pathways of plastic into soil, (including first preliminary screening of plastic in compost), and iii) its fate in soil. Methods for plastic analyses in sediments can potentially be adjusted for application to soil; yet, the applicability of these methods for soil needs to be tested. Consequently, the current data base on soil pollution with plastic is still poor. Soils may receive plastic inputs via plastic mulching or the application of plastic containing soil amendments. In compost up to 2.38-1200mg plastic kg-1 have been found so far; the plastic concentration of sewage sludge varies between 1000 and 24,000 plastic items kg-1. Also irrigation with untreated and treated wastewater (1000-627,000 and 0-125,000 plastic items m-3, respectively) as well as flooding with lake water (0.82-4.42 plastic items m-3) or river water (0-13,751 items km-2) can provide major input pathways for plastic into soil. Additional sources comprise littering along roads and trails, illegal waste dumping, road runoff as well as atmospheric input. With these input pathways, plastic concentrations in soil might reach the per mill range of soil organic carbon. Most of plastic (especially >1μm) will presumably be retained in soil, where it persists for decades or longer. Accordingly, further research on the prevalence and fate of such synthetic polymers in soils is urgently warranted.

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Crossref · 10.1016/j.scitotenv.2017.08.086

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  • Global accumulation of waste plastics has caused severe environmental pollution and poses a serious threat to ecosystems.

    “The global accumulation of waste plastics has led to severe environmental pollution, posing a serious threat to ecosystems.”

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Authors
Bläsing, M., & Amelung, W.
Affiliations
University of Bonn (DE)
Corresponding author
Bläsing, Melanie
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2018-01
Volume
612
Pages
422-435
ISSN
0048-9697 (ISSN-L)
OpenAlex
W2753819772
Cited by
1,655
References
193
Citations by year
2026: 166 · 2025: 232 · 2024: 286 · 2023: 266 · 2022: 277 · 2021: 174 · 2020: 159 · 2019: 62 · 2018: 30 · 2017: 2 · 2012: 1
FWCI
3.27
Type
journal article
Language
en
Open access
closed
Locations
  • The Science of The Total Environment (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Rheinische Friedrich-Wilhelms-Universität Bonn
  • National Root Crops Research Institute
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Waste Management and Recycling
Keywords
plastic pollution, soil contamination, polymer identification, compost, sewage sludge, wastewater irrigation, plastic film mulching, soil amendment, microplastics, synthetic polymers, illegal dumping, road runoff, trophic transfer

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