[Terrapreta] Praire is natures way of making terra preta.

[lou gold]

Yes, very interesting suggestion. I also have been wondering about the role
of fire (natural and managed) in building soils in both forest and grassland
ecologies.

I not sure where you are located but,  if you are speaking about the deep
soils of the US Midwest, they were mostly deposited by glacial scraping of
the lands to the north. Unlike, the Amazonian dark earths they did not grow
on site.

lou

On 9/1/07, Brian Hans <bhans at earthmimic.com> wrote:
>
> I have been musing about this statement for a while now. As far as I know,
> Ive coined it.
>
> I think the hypothesis speaks for itself. After doing native restorations,
> mostly prairies for over 10 years, bio-char in small dose y/y seems quite
> likely to aid in the production of the luscious prairie soils 6ft+ deep.
> Infact, the prairie ecosystem is literally addicted to fire so bio-char is
> inevitable. I am going to bring this topic up to some of my prairie
> academics this fall but I was curious as to what the group thought?
>
> Brian Hans
>
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