[Terrapreta] Long term effects of charcoal

[Michael N Trevor]

Thanks Barry

How it the fertility of the thousands of years old terra preta sites now,  compared to adjacent areas?
Assuming that the practice of charcoal addition stopped long ago, does it seem the beneficial effects
continue?

Michael 
Enemanit
Marshall Islands 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: /pipermail/terrapreta_bioenergylists.org/attachments/20070418/68114ea9/attachment.html