The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Effects of biochar on availability and plant uptake of heavy metals – A meta-analysis
Abstract
Biochar can be an effective amendment for immobilizing heavy metals in contaminated soils but has variable effects depending on its chemical and physical properties and those of the treated soil. To investigate the range of biochar's effects on heavy metal accumulation in plants in responses to the variation of soil, biochar and plant, we carried out a meta-analysis of the literature that was published before March 2016. A total of 1298 independent observations were collected from 74 published papers. Results showed that across all studies, biochar addition to soils resulted in average decreases of 38, 39, 25 and 17%, respectively, in the accumulation of Cd, Pb, Cu and Zn in plant tissues. The effect of biochar on heavy metal concentrations in plants varied depending on soil properties, biochar type, plant species, and metal contaminants. The largest decreases in plant heavy metal concentrations occurred in coarse-textured soils amended with biochar. Biochar had a relatively small effect on plant tissue Pb concentrations, but a large effect on plant Cu concentrations when applied to alkaline soils. Plant uptake of Pb, Cu and Zn was less in soils with higher organic carbon contents. Manure-derived biochar was the most effective for reducing Cd and Pb concentrations in plants as compared to biochars derived from other feedstock. Biochar having a high pH and used at high application rates resulted in greater decreases in plant heavy metal uptake. The meta-analysis provides useful guidelines on the range of effects that can be anticipated for different biochar materials in different plant-soil systems.
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Cites
The meta-analysis of response ratios in experimental ecology
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Biochar as a sorbent for contaminant management in soil and water: A review
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The forms of alkalis in the biochar produced from crop residues at different temperatures
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Biochar and its effects on plant productivity and nutrient cycling: A meta-analysis
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Biochar stability in soil: meta-analysis of decomposition and priming effects
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Biochar reduces the bioavailability and phytotoxicity of heavy metals
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Biochar's role in mitigating soil nitrous oxide emissions: A review and meta-analysis
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Cited by
Heavy metals in food crops: health risks, fate, mechanisms, and management
Rai, P. K., Lee, S. S., Zhang, M., Tsang, Y. F., & Kim, K.-H. (2019) · Environment International · doi:10.1016/j.envint.2019.01.067 · Cited by 1,895
Joseph, S., Cowie, A. L., Van Zwieten, L., Bolan, N., Budai, A., Buss, W., Cayuela, M. L., Graber, E. R., Ippolito, J. A., Kuzyakov, Y., et al. (2021) · GCB Bioenergy · doi:10.1111/gcbb.12885 · Cited by 1,090
Self-citationPrediction of Soil Heavy Metal Immobilization by Biochar Using Machine Learning
Palansooriya, K. N., Li, J., Dissanayake, P. D., Suvarna, M., Li, L., Yuan, X., Sarkar, B., Tsang, D. C. W., Rinklebe, J., Wang, X., et al. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.1c08302 · Cited by 518
Self-citationBiochar in agriculture – A systematic review of 26 global meta‐analyses
Schmidt, H., Kammann, C., Hagemann, N., Leifeld, J., Bucheli, T. D., Sánchez Monedero, M. A., & Cayuela, M. L. (2021) · GCB Bioenergy · doi:10.1111/gcbb.12889 · Cited by 490
Sharma, J. K., Kumar, N., Singh, N. P., & Santal, A. R. (2023) · Frontiers in Plant Science · doi:10.3389/fpls.2023.1076876 · Cited by 423
Metadata
- Authors
- Chen, D., Liu, X., Bian, R., Cheng, K., Zhang, X., Zheng, J., Joseph, S., Crowley, D., Pan, G., & Li, L.
- Venue
- Journal of Environmental Management
- Publisher
- Elsevier BV
- Published
- 2018-09
- Volume
- 222
- Pages
- 76-85
- ISSN
- 0301-4797 (ISSN-L)
- OpenAlex
- W2804916359
- Cited by
- 320
- References
- 18
- FWCI
- 1.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, D., Liu, X., Bian, R., Cheng, K., Zhang, X., Zheng, J., Joseph, S., Crowley, D., Pan, G., & Li, L. (2018). Effects of biochar on availability and plant uptake of heavy metals – A meta-analysis. Journal of Environmental Management. https://doi.org/10.1016/j.jenvman.2018.05.004
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