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[Sunshine Lemme <sunshine.lemme@gmail.com>]

The source of terra preta is biochar, basically charcoal made from biological sources.  A good site is http://www.biochar.org/joomla/ for how it works.  There are also a lot of sources of how to make charcoal from biomass, even grass and other light, small plants, online.  Just heat in a retort, presto, biochar.

On 3/29/09, Jason MacArthur <rotread@localnet.com> wrote:

Justin West wrote:

> One of the things I was looking at was biochar and the famed 'Terra
> Preta' or Amazonian Dark Earths 'ADE's.  This is really fascinating
> research going on down there, and I encourage you all to look more
> into this as far as potential soil improvement in temperate climes.

Justin- can you point us in the direction of some good research?  I
have tried Internet searches, but as so often is the case with the
Internet have spent hours looking down the wrong rabbit hole for
information.
Jason MacArthur
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