A simple way to make BioChar in a 55 gallon drum. Hoping to promote simple, scalable, environmentally sound methods for making biochar for improving the soil on small farms and in backyard gardens. And improving the air as well.
When you bury the carbon you are sequestering it out of the atmosphere for hundreds of years. A pound of carbon buried this way takes quite a bit of CO2 gas out of what's overhead.http://en.wikipedia.org/wiki/Biocharhttp://en.wikipedia.org/wiki/terrapreta
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