Cited by 112Soil Carbon and Nitrogen DynamicsThermochemical Biomass Conversion ProcessesFire effects on ecosystems

Review of the Effects of Biochar Amendment on Soil Properties and Carbon Sequestration

Xie, Tao, Sadasivam, Bala Yamini, Reddy, Krishna R., Wang, Chengwen, Spokas, Kurt·2016·Journal of Hazardous, Toxic, and Radioactive Waste

Abstract

Biochar is one of a series of materials referred to as black carbon because it is produced by thermochemical transformation of the original biomass material under a variety of conditions. The objectives of this paper are to summarize the characteristics of biochar created from different feedstocks and identify the potential of biochar to maintain soil quality and sequester carbon. Biochar properties were analyzed in context to the biochar sources using indicators of their elemental compositions, pH, surface area, and cation exchange capacity. Application effects were also compared to evaluate the potential of biochar as a soil amendment and carbon capture agent on the basis of pot and field study results. Biochar performed well in terms of the improvement of soil pH and organic carbon, the stability of soil fertilizer generated from its large surface areas and cation exchange capacities. In general, the use of biochar proved to be an appropriate strategy for carbon neutralization resulting from carbon storage by itself and the decrease of total greenhouse gas emissions, including CO2, CH4, and N2O, although the effects of biochar on each gas differed significantly. Overall, biochar exhibits great potential for expanded use in environmental fields; however, additional long term field studies that would assess biochar application rates are recommended.

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Crossref · 10.1061/(asce)hz.2153-5515.0000293

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102 of 102 references verified0 citation errors · 0 not checkable

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Authors
Xie, T., Sadasivam, B. Y., Reddy, K. R., Wang, C., & Spokas, K.
Affiliations
  • University of Illinois Chicago (US)
  • Tsinghua University (CN)
  • University of Minnesota (US)
Corresponding author
Reddy, Krishna R.
Venue
Journal of Hazardous, Toxic, and Radioactive Waste
Published
2016-01
Volume
20
Issue
1
ISSN
  • 2153-5493 (ISSN-L)
  • 2153-5515
OpenAlex
W1562263645
Cited by
112
References
103
Citations by year
2026: 9 · 2025: 12 · 2024: 6 · 2023: 18 · 2022: 15 · 2021: 9 · 2020: 13 · 2019: 8 · 2018: 9 · 2017: 6 · 2016: 6 · 2014: 1
FWCI
9.60
Type
journal article
Language
en
Open access
closed
Locations
Journal of Hazardous Toxic and Radioactive Waste (publishedVersion)
Funders
National Science Foundation
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
Keywords
biochar, soil amendment, carbon sequestration, soil quality, black carbon, biomass feedstock, soil pH, soil organic carbon, cation exchange capacity, surface area, greenhouse gas emissions, methane, nitrous oxide, carbon dioxide, biochar application rate

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