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permaculture - gypsum board

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Subject: permaculture

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Chronological Thread  
  • From: "Permaculture West" <permawest@olywa.net>
  • To: <permaculture@listserv.oit.unc.edu>
  • Subject: gypsum board
  • Date: Sun, 28 Sep 1997 09:02:38 -0700

I've heard of gardeners using scrap gypsum board from construction
sites
in their gardens to provide essential calcium (gypsum being calcium
sulphate). I was wondering if gypsum board is comprised of anything other
than calcium sulphate (i.e. glues, dyes, binding agents, any other
potential toxins, etc.).

permawest@olywa.net



  • gypsum board, Permaculture West, 10/03/1997

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