pbs Digest, Vol 84, Issue 25 re gypsum

Tim Harvey zigur@hotmail.com
Sun, 24 Jan 2010 09:52:51 PST
I have had good results usig gypsum to amend clay soil in Southern California. I also add pumice, and cultivate at least 12" of the topsoil.


There are two forms of gypsum available locally, one is finely ground, with a flour-like consistency. The other is more of a pink grit, which I prefer.



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