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permaculture - [permaculture] Phosphorus sources without calcium

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  • From: Stephen Sherman <spsherm@msn.com>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: [permaculture] Phosphorus sources without calcium
  • Date: Tue, 12 May 2009 11:56:06 -0600

I have been following the Albrecht's soil analysis methods in trying to build my soil. This year the tests showed that my soil's calcium levels were getting too high, however the soils still lacked phosphorus. That created an unusual problem in that most natural sources of P contain large amounts of calcium (rock phosphate, bone meal, etc).

Does anyone have any ideas about P sources that do not have calcium with them?

TIA




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