Plant Soil Environ., 2023, 69(2):45-54 | DOI: 10.17221/348/2022-PSE

Impacts and mechanisms of biochar on soil microorganismsReview

Kai Huang1,2,3, Jun Zhang1,3, Guangming Tang1,3, Da Bao1,3, Tangyu Wang1,3, Deping Kong1,3
1 Yunnan Academy of Eco-environmental Sciences, Kunming, P.R. China
2 Yunnan Agricultural University, Kunming, P.R. China
3 Yunnan National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Kunming, P.R. China

Biochar is a carbonaceous material derived from the pyrolysis of carbon-rich biomass that has attracted increasing research and attention because of its ability to enhance soil carbon storage, increase soil fertility, fix and transform pollutants in soil, and improve the soil environment. These enhancements directly or indirectly affect soil microorganisms’ metabolic activities and community structure. This paper reviews the effects of biochar on soil physicochemical properties, enzyme activities, nutrients, contaminants, and related microbial activities. In addition, this work summarises the possible mechanisms involved in the interaction between biochar and microorganisms and the potential hazards associated with biochar use. Finally, this study aims to provide a theoretical basis for future related research.

Keywords: charcoal; soil pollution; soil microbial community; soil bacteria

Received: November 6, 2022; Accepted: February 7, 2023; Prepublished online: February 14, 2023; Published: February 26, 2023  Show citation

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Huang K, Zhang J, Tang G, Bao D, Wang T, Kong D. Impacts and mechanisms of biochar on soil microorganisms. Plant Soil Environ. 2023;69(2):45-54. doi: 10.17221/348/2022-PSE.
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