Practicality of Biochar Additions to Enhance Soil and Crop Productivity
The benefits of biochar to soils for agricultural purposes are numerous. Biochar may be added to soils with the intention to improve the soil, displace an amount of conventional fossil fuel based fertilizers, and sequester carbon. However, the variable application rates, uncertain feedstock effects, and initial soil state provide a wide range of cost for marginally improved yield from biochar additions, which is often economically impracticable. The need for further clarity on optimizing biochar application to various crop yields is necessary if it is to gain widespread acceptance as a soil amendment.
References listed on IDEAS
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- Johannes Lehmann & John Gaunt & Marco Rondon, 2006. "Bio-char Sequestration in Terrestrial Ecosystems – A Review," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 11(2), pages 395-419, March.
- Day, Danny & Evans, Robert J. & Lee, James W. & Reicosky, Don, 2005. "Economical CO2, SOx, and NOx capture from fossil-fuel utilization with combined renewable hydrogen production and large-scale carbon sequestration," Energy, Elsevier, vol. 30(14), pages 2558-2579.
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