Maybe bio-char does have a part to play

Terra preta is the very fertile black soil found mostly in parts of the Amazon basin, and believed to have been created by people mixing fine particles of charcoal and other stuff into the soil. A whole lot of voodoo has grown up around the subject, with unscrupulous charlatans, head in the sand naysayers and all manner of other life forms clustering around the idea. Some people think that one can create terra preta by adding bio-char to the soil, and that miracles will ensue.

I recently dumped on biofuels from a great height because in essence they are mining the soil. Doesn’t matter how slowly; at some point, the fun will have to stop. In the comments on that post, Karl and Anastasia weighed in by saying that bio-char, a potential residue after extracting bioenergy, could be returned to the land to close the loop. I dumped on that idea too.

Now I’m not so sure. Continue reading “Maybe bio-char does have a part to play”

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