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nafex - Re: [NAFEX] Terra Preta

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  • From: athagan@atlantic.net
  • To: nafex@lists.ibiblio.org
  • Subject: Re: [NAFEX] Terra Preta
  • Date: Fri, 23 May 2008 08:16:18 -0400

I've been working with this in a very small way for about a year. There's a fair amount of info to be found on the net about terra preta and agrichar. The charcoal needs to be fairly finely divided and I suspect, but cannot prove, that clay is a necessary part of the equation.

.....Alan.

Quoting Ernest Plutko <ernestplutko@wiktel.com>:

Has anyone tried adding charcoal to their garden soil? Saw a science
program on TV today showing how fertile some soils are in Amazonia
because ancient farmers added charcoal to the generally infertile
soils of the rainforest. Beware though because a lot of "charcoal"
for grilling is made from coal and clay. Some charcoal sold is real
wood charcoal. You can make your own charcoal fairly easily in your
yard from hardwood chunks. The program did suggest that unknown
bacteria in the tropical Terra Preta might have a role in the
fertility by breaking down organics. I am going to make some
charcoal and try out this interesting concept.

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