Amazonian terra preta

The International Compost Sanitation Forum and Message Board: Humanure Handbook - A Guide to Composting Human Manure: Amazonian terra preta
Author: Anonymous
Saturday, February 25, 2006 - 12:49 pm
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Just ran across a reference to Amazonian Terra Preta, or "dark earth". Apparently these are areas where Amazonian peoples of yore practiced intensive agriculture and augmented the infertile tropical soils with compost (probably a lot of it human) and charcoal. The charcoal sequesters nutrients for long time and these relict soils are today much valued for increased fertility in the Amazon region. Anybody know about this, or trying to make their own "terra preta"?

https://tinyurl.com/4ddsf

Author: Lorraine
Friday, March 03, 2006 - 6:27 am
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Hi - there was an interesting documentary on telly the other day about exactly this - maybe you might like to check this page out https://www.bbc.co.uk/science/horizon/2002/eldorado.shtml

Author: Rangdrol
Wednesday, March 08, 2006 - 1:19 pm
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Look into Mexico City. Its vast gardens were built with a compost and humanure system.

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