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  • From: Andrew Millison <amillison@gmail.com>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Perma-Data needed!
  • Date: Thu, 30 Sep 2010 20:20:32 -0700

Thanks for the clarifications all. The presentation was accepted, so no one
dissected the data too carefully, but it's important to get it right!

Andrew

On Thu, Sep 30, 2010 at 12:44 PM, Toby Hemenway
<toby@patternliteracy.com>wrote:

> One thing to remember here is that grain and soy are dry (more or less)
> when harvested, and veggies are wet. There is no nutrition in water, so
> those numbers aren't comparing the same thing. There are many times more
> calories in the grain and legume acreages, even if the veggies are more
> diverse foods. And I'd heard that the Path to Freedom folks in Pasadena were
> on 1/4 acre, not 1/10, but I don't know for sure. That would mean 24,000,
> not 60,000 lbs/acre. Corrections welcome.
>
> Toby
> http://patternliteracy.com
>
>
>
> >>
> >> *Intensive Food Production*: A typical industrially farmed corn field
> may
> >> yield up to 200 bushels per acre @ 70 lbs per bushel = 14,000 lbs per
> acre.
> >> (Logsdon, Gene, *Small Scale Grain Raising*, Chelsea Greene Publishing,
> >> 2009). The record soy yield is 155 bushels per acre @ 60 lbs per bushel
> =
> >> 9,300 lbs per acre (
> >> http://deltafarmpress.com/cullers-soybean-record-155-bushels-acre). An
> >> “Urban Homestead” in Pasadena, CA, utilizing many Permaculture
> strategies
> >> produces up to 6,000 lbs harvest annually on 1/10 acre and grows 99% of
> >> their produce. That’s 60,000 lbs per acre of diverse organic foods. (
> >> http://urbanhomestead.org/urban-homestead)
> >
>
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