Slash-and-char is an alternative to slash-and-burn cultivation that has a lesser effect on the environment. It is the practice of charring the biomass produced by slashing instead of burning it, and because the incomplete combustion of this pyrolysis leaves behind a charcoal residue, the resulting matter can be used as biochar to improve soil fertility.
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1. Wikipedia: Slash-and-char
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Due to incomplete combustion (pyrolysis) the resulting residue matter charcoal can be utilized as biochar to improve the soil fertility.
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