Definition of "biochar" [biochar]

• Charcoal that is used to nutritionally supplement soil. (noun)

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• "Jim Fournier, CEO of Biochar Engineering Corporation, told the 10-10-10 work party that biochar is one of the only ways we have to actually remove carbon from the atmosphere and soon we are going to feel a lot of urgency to do that."
• "They also offer a Biochar Experimenters Kit -- biochar is a natural byproduct of gasification."
• "Out comes a charcoal-like substance known as "biochar" -- which is not only an excellent fertilizer, but also helps keep carbon in the soil instead of letting it escape into the atmosphere, where it acts as a greenhouse gas."