Cited by 1,021Soil Carbon and Nitrogen DynamicsMicrobial Fuel Cells and BioremediationMicrobial bioremediation and biosurfactants

Effects and mechanisms of biochar-microbe interactions in soil improvement and pollution remediation: A review

Zhu, Xiaomin, Chen, Baoliang, Zhu, Lizhong, Xing, Baoshan·2017·Environmental Pollution

Abstract

Biochars have attracted tremendous attention due to their effects on soil improvement; they enhance carbon storage, soil fertility and quality, and contaminant (organic and heavy metal) immobilization and transformation. These effects could be achieved by modifying soil microbial habitats and (or) directly influencing microbial metabolisms, which together induce changes in microbial activity and microbial community structures. This review links microbial responses, including microbial activity, community structures and soil enzyme activities, with changes in soil properties caused by biochars. In particular, we summarized possible mechanisms that are involved in the effects that biochar-microbe interactions have on soil carbon sequestration and pollution remediation. Special attention has been paid to biochar effects on the formation and protection of soil aggregates, biochar adsorption of contaminants, biochar-mediated transformation of soil contaminants by microorganisms, and biochar-facilitated electron transfer between microbial cells and contaminants and soil organic matter. Certain reactive organic compounds and heavy metals in biochar may induce toxicity to soil microorganisms. Adsorption and hydrolysis of signaling molecules by biochar interrupts microbial interspecific communications, potentially altering soil microbial community structures. Further research is urged to verify the proposed mechanisms involved in biochar-microbiota interactions for soil remediation and improvement.

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Crossref · 10.1016/j.envpol.2017.04.032

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Authors
Zhu, X., Chen, B., Zhu, L., & Xing, B.
Affiliations
  • Zhejiang University (CN)
  • University of Massachusetts Amherst (US)
Corresponding author
Chen, Baoliang
Venue
Environmental Pollution
Publisher
Elsevier BV
Published
2017-08
Volume
227
Pages
98-115
ISSN
0269-7491 (ISSN-L)
OpenAlex
W2608891107
Cited by
1,021
References
165
Citations by year
2026: 112 · 2025: 142 · 2024: 149 · 2023: 137 · 2022: 153 · 2021: 110 · 2020: 94 · 2019: 70 · 2018: 45 · 2017: 8
FWCI
6.36
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Pollution (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (21425730, 21537005, 21621005, 21607125)
  • The National Key Technology R&D Program
  • Postdoctoral Science Foundation of China (2015BAC02B01, 2015M581943)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Environmental Engineering › Microbial Fuel Cells and Bioremediation
  • Physical Sciences › Environmental Science › Pollution › Microbial bioremediation and biosurfactants
Keywords
biochar, soil improvement, pollution remediation, soil carbon sequestration, soil fertility, heavy metal immobilization, soil microbial community structure, microbial activity, soil enzyme activity, soil aggregation, biochar adsorption, microbial electron transfer, soil organic matter, microbial toxicity
MeSH terms
Adsorption, Carbon, Charcoal, Organic Chemicals, Soil, Soil Pollutants, Ecosystem, Metals, Heavy, Environmental Restoration and Remediation

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