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nafex - [NAFEX] gypsum & Ca & Clay

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  • From: "Martha L. Davis" <martha_davis@earthlink.net>
  • To: nafex@lists.ibiblio.org
  • Subject: [NAFEX] gypsum & Ca & Clay
  • Date: Wed, 10 Oct 2007 18:12:10 -0600 (GMT-06:00)

Back when I was in high clay, high pH soils near Chicago I understood that
gypsum was not useful in loosening clay in our soils because they already had
lots of calcium. However, if there were clay soil problems due to road salt
it would help. I have forgotten the exact mechanism that was explained by
the soil scientist by now. Maybe this is useful.

Martha



  • [NAFEX] gypsum & Ca & Clay, Martha L. Davis, 10/10/2007

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