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8430Re: [fukuoka_farming] soil science part 3

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  • Shawn Turner
    Dec 15, 2008
      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.

      Anders






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