[Terrapreta] Long term effects of charcoal

[Michael Bailes]

He said that at the IAI Conference last week
It stunned me!
See
http://forums.hypography.com/terra-preta.html
MB

On 08/05/07, Allan Balliett <aballiett at frontiernet.net> wrote:
>
> >Johannes Lehman says that there are 6,000 YO Terra preta soils.
> >These don't have pottery artifacts;
> >  only stone age artifacts as they had not invented pottery!!!!
> >mb
>
> Thanks. I hadn't seen that one. Where does he say that? -Allan
>



-
-------------- next part --------------
An HTML attachment was scrubbed...
URL: /pipermail/terrapreta_bioenergylists.org/attachments/20070508/b28eddcf/attachment.html