All Biochars are Not Created Equal
How to Tell Them Apart
The use of charcoal as a soil amendment and for CO2 sequestration raises many questions about the characteristics of those “biochars” and their impacts on soils and organisms. This paper reviews and revises the analyses of the principal characteristics used to distinguish biochars, and presents a small survey of measured properties.
Hugh McLaughlin, PhD, Paul S. Anderson, PhD, Frank E. Shields, Thomas B. Reed, PhD