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  • From: Paul Cereghino <paul.cereghino@comcast.net>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Re, Toby on harvesting biomass
  • Date: Sat, 27 Jan 2007 22:22:29 -0800

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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