Effect of maize straw biochar on bacterial communities in agricultural soil
Abstract
Biochar has become a popular soil amendment. However, its effect on soil microbial community is still unclear. In the present study, maize straw biochar was pyrolysed at 300°C, 450°C and 600°C, respectively, and then was added to agricultural soil at the ratio of 0.5%, 1% and 2%. Bacterial dynamics was analyzed in the pot experiments using denaturing gradient gel electrophoresis. The results indicated that the pyrolysis temperature has great impact on the elemental composition, pH and porous structures of biochar. Moreover, pyrolysis temperature was primary factor to drive the variation of bacterial community structure in biochar amended soil. In addition, the results suggested that biochar amendments on agricultural soil would decrease the bacterial diversity, and selectively promote growth of functional bacteria to become the dominant community, which could increase the bacterial community organization and improve the stability of bacteria to counteract effects of perturbation.
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The resolution of DGGE or PLFA analyses on community changes is known to be limited.
“although the resolution of these methods on community changes is known to be limited (Liu et al., 2020).”
From Comparing straw, compost, and biochar regarding their suitability as agricultural soil amendments to affect soil structure, nutrient leaching, microbial communities, and the fate of pesticides (2021) · cites this paper as Liu et al., 2020
Cites
Muhammad, N., Dai, Z., Xiao, K., Meng, J., Brookes, P. C., Liu, X., Wang, H., Wu, J., & Xu, J. (2014) · Geoderma · doi:10.1016/j.geoderma.2014.01.023 · Cited by 164 · see citing works
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Siedt, M., Schäffer, A., Smith, K. E. C., Nabel, M., Roß-Nickoll, M., & van Dongen, J. T. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141607 · Cited by 543 · see citing works
- Authors
- Liu, J., Ding, Y., Ji, Y., Gao, G., & Wang, Y.
- Affiliations
- Nankai University (CN)
- Corresponding author
- Wang, Yingying
- Venue
- Bulletin of Environmental Contamination and Toxicology
- Published
- 2020-01-31
- Volume
- 104
- Issue
- 3
- Pages
- 333-338
- ISSN
- 0007-4861 (ISSN-L)
- 1432-0800
- OpenAlex
- W3003355524
- Cited by
- 33
- References
- 1
- Citations by year
- 2026: 6 · 2025: 4 · 2024: 7 · 2023: 2 · 2022: 6 · 2021: 5 · 2020: 3
- FWCI
- 2.65
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bulletin of Environmental Contamination and Toxicology (publishedVersion)
- PubMed (publishedVersion)
- Lanzhou University Institutional Repository (submittedVersion)
- Funders
- National Key Basic Research Program of China (2015CB459000)
- National Science Foundation of China (31670498)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Keywords
- maize straw biochar, soil bacterial communities, pyrolysis temperature, biochar amendment, agricultural soils, bacterial diversity, functional bacteria, soil amendment, biochar physicochemical properties
- MeSH terms
- Agriculture, Bacteria, Charcoal, Zea mays, Soil, Soil Microbiology, Microbiota
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