Biochar treatment resulted in a combined effect on soybean growth promotion and a shift in plant growth promoting rhizobacteria
Open accessAbstract
The application of biochar to soil is considered to have the potential for long-term soil carbon sequestration, as well as for improving plant growth and suppressing soil pathogens. In our study we evaluated the effect of biochar on the plant growth of soybeans, as well as on the community composition of root-associated bacteria with plant growth promoting traits. Two types of biochar, namely, maize biochar (MBC), wood biochar (WBC), and hydrochar (HTC) were used for pot experiments to monitor plant growth. Soybean plants grown in soil amended with HTC char (2%) showed the best performance and were collected for isolation and further characterization of root-associated bacteria for multiple plant growth promoting traits. Only HTC char amendment resulted in a statistically significant increase in the root and shoot dry weight of soybeans. Interestingly, rhizosphere isolates from HTC char amended soil showed higher diversity than the rhizosphere isolates from the control soil. In addition, a higher proportion of isolates from HTC char amended soil compared with control soil was found to express plant growth promoting properties and showed antagonistic activity against one or more phytopathogenic fungi. Our study provided evidence that improved plant growth by biochar incorporation into soil results from the combination of a direct effect that is dependent on the type of char and a microbiome shift in root-associated beneficial bacteria.
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Increasing soybean plants growth (34-41% increases in root and shoot dry weights) on soil amended with 2% (w/w) biochar.
“This was in contrast to increasing soybean plants growth (34À41% increases in root and shoot dry weights) on soil amended with 2% (w/w) biochar (Egamberdieva et al., 2016).”
From Biochar implications for sustainable agriculture and environment: A review (2019) · cites this paper as Egamberdieva et al., 2016
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References 64 · Cited by 146
Research works printed but not linked: 1
- Berg G. Egamberdieva D. Lugtenberg B. Hagemann M. (2010). Symbiotic plant-microbe interactions: stress protection, plant growth promotion and biocontrol by Stenotrophomonas, in Symbioses and Stress, Cellular Origin, Life in Extreme Habitats and Astrobiology, eds Seckbach J. Grube M. (Dordrecht: Springer Science+Business Media B.V.), 445– 460.
- Authors
- Egamberdieva, D., Wirth, S., Behrendt, U., Abd_Allah, E. F., & Berg, G.
- Affiliations
- Leibniz Centre for Agricultural Landscape Research (DE)
- Graz University of Technology (AT)
- Corresponding author
- Egamberdieva, Dilfuza
- Venue
- Frontiers in Microbiology
- Publisher
- Frontiers Media SA
- Published
- 2016-02-25
- Volume
- 7
- Pages
- 209-209
- ISSN
- 1664-302X (ISSN-L)
- PMC
- PMC4766286
- OpenAlex
- W2317689740
- Cited by
- 146
- References
- 64
- Citations by year
- 2026: 7 · 2025: 8 · 2024: 11 · 2023: 16 · 2022: 15 · 2021: 23 · 2020: 21 · 2019: 16 · 2018: 15 · 2017: 9 · 2016: 5
- FWCI
- 17.52
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- Frontiers in Microbiology (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Informationszentrum Lebenswissenschaften (ZB MED) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- King Saud University
- Alexander von Humboldt-Stiftung
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
- Keywords
- biochar, soybean, plant growth promotion, plant growth-promoting rhizobacteria, hydrochar, wood biochar, root-associated bacteria, rhizosphere microbiome, soil amendment, antifungal antagonism, plant pathogenic fungi, soil carbon sequestration
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