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8431Re: [fukuoka_farming] soil science part 3

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  • Anders Skarlind
    Dec 15, 2008
      Are these microbes part of the straw - in one sense or another? And
      if you include them, there is more nitrogen relative to carbon, and
      hence the ratio would be smaller, not bigger. Isn't that so?

      At 13:55 2008-12-15, you wrote:
      >Not if you count the nitrogen that is locked up in the
      >microbes! Plus the ability of the microbes to fix nitrogen from the air.
      >From: Anders Skarlind <Anders.Skalman@...>
      >To: fukuoka_farming@yahoogroups.com
      >Sent: Monday, December 15, 2008 7:03:02 AM
      >Subject: Re: [fukuoka_farming] soil science part 3
      >At 22:49 2008-12-14, Jeff wrote:
      > >I don't understand this. Well cured compost has very little N. In
      > >fact a lot of it is lost during high temperature heap composting
      > >
      > >In a way you are right
      > >Ok, start with 1 ton of wheat straw, organic matter is roughly 50
      > >percent carbon
      > >SO 1000 lbs carbon, the straw has a carbon to nitrogen ratio of 600 to
      > >1.
      >A more typical number would be 60:1.
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