The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
pH-Dependent Mineral Release and Surface Properties of Cornstraw Biochar: Agronomic Implications
Abstract
Surface charge and pH-dependent nutrient release properties of cornstraw biochar were examined to elucidate its potential agronomic benefits. Kinetics of element release was characterized by rapid H(+) consumption and rapid, pH-dependent P, Ca, and Mg release, followed by zero-order H(+) consumption and mineral dissolution reactions. Initial K release was not pH-dependent, nor was it followed by a zero-order reaction at any pH. Rapid and constant rate P releases were significant, having the potential to substitute substantial proportions of P fertilizer. K releases were also significant and may replace conventional K fertilizers, however, not long-term plant demand. The cation exchange capacity (CEC) of the biochar leached with a mild acidic solution increased linearly from 179 to 888 mmol(c) (kg C)(-1) over a pH range of 4-8, while the anion exchange capacity of 154 mmol(c) (kg C)(-1) was constant over the same pH range. Since native soil organic constituents have much higher CEC values (average 2800 mmol(c) (kg C)(-1) at pH 7), improved soil fertility as a result of enhanced cation retention by the biochar probably will be favorable only in sandy and low organic matter soils, unless surface oxidation during aging significantly increases its CEC.
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In the citing paper
“Biochars’ anion exchange capacity is usually low, being 2-3 orders of magnitude lower compared to the cation exchange capacity4754.”
From Plant growth improvement mediated by nitrate capture in co-composted biochar (2015) · cites this paper as [47]
In the citing paper
“Firstly, it delivers necessary inorganic nutrients to plants via dissolution of its ash components (Silber et al. 2010; Wang et al. 2020f).”
From Role of biochar toward carbon neutrality (2023) · cites this paper as Silber et al. 2010
Citations
Cites
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Chan, K. Y., Van Zwieten, L., Meszaros, I., Downie, A., & Joseph, S. (2008) · Soil Research · doi:10.1071/sr08036 · Cited by 1,103
Flagged first, then by citations
Research works printed but not linked: 8
- Graber E. R., 2010, Plant Soil., 334
- Amonette J. E., 2009, Biochar for Environmental Management: Science and Technology
- Chan K. Y., 2009, Biochar for Environmental Management: Science and Technology
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Cited by
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Biochar to improve soil fertility. A review
Ding, Y., Liu, Y., Liu, S., Li, Z., Tan, X., Huang, X., Zeng, G., Zhou, L., & Zheng, B. (2016) · Agronomy for Sustainable Development · doi:10.1007/s13593-016-0372-z · Cited by 1,144
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Xiao, X., Chen, B., Chen, Z., Zhu, L., & Schnoor, J. L. (2018) · Environmental Science & Technology · doi:10.1021/acs.est.7b06487 · Cited by 935
Metadata
- Authors
- Silber, A., Levkovitch, I., & Graber, E. R.
- Affiliations
- Agricultural Research Organization (IL)
- Institute of Soils, Water and Environmental Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, 50250, Israel
- Corresponding author
- Silber, A.
- ORCID
- Silber, A.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-11-23
- Volume
- 44
- Issue
- 24
- Pages
- 9318-9323
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2328874691
- Cited by
- 394
- References
- 26
- Citations by year
- 2026: 13 · 2025: 15 · 2024: 24 · 2023: 33 · 2022: 34 · 2021: 28 · 2020: 35 · 2019: 35 · 2018: 40 · 2017: 29 · 2016: 24 · 2015: 14 · 2014: 27 · 2013: 18 · 2012: 18
- FWCI
- 22.61
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Environmental Science & Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
- Physical Sciences › Energy › Fuel Technology › Thermochemical Biomass Conversion Processes
- Keywords
- surface charge, nutrient release kinetics, phosphorus release, potassium release, calcium and magnesium release, cation exchange capacity, anion exchange capacity, soil fertility, biochar aging
- MeSH terms
- Agriculture, Charcoal, Zea mays, Fertilizers, Hydrogen-Ion Concentration, Kinetics, Magnesium, Minerals, Phosphorus, Potassium, Soil, Surface Properties
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