permaculture

[Paul Cereghino <paul.cereghino@comcast.net>]

Related to this thread...
Wes Jackson and the Land Institute has been working on perennial prairie 
polyculture yield for many years.
http://www.landinstitute.org
~Paul

John Fritz wrote:

> Um, am I missing something here or is 160 not more than 50,...pounds of 
> nitrogen per acre that is?
>   
>  John Fritz, NW Arkansas.
>
>  
> Message: 1
> Date: Fri, 26 Jan 2007 06:46:20 -0800
> From: Toby Hemenway 
> I'm at an ag conference in Guelph, Ontario and just learned about
> http://www.reap-canada.com
>
> They harvest prairie biomass in early spring. Dried plants, pelletized and
> burned without the ethanol step. 10:1 ERoEI compared to ethanol's 1:1, and
> the prairie stays intact. 50lbs/acre of nitrogen added instead of corn's
> 160, and as they improve the mix of N-fixers that will improve further.
> Convert all those cornfields back to prairie!
>
>
>
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