Peg Cook pegcook at northnet.org
Wed Aug 22 15:35:49 EDT 2001

One thing to keep in mind when using Gypsum (CaSO4) is NOT to apply it when
the pH level is below 6.2.  Also, processed Gypsum reacts more quickly in
the soil than raw Gypsum.

There are several sources you could contact:

FEDCO Seeds (Organic Growers Supply) in Maine and Fertrell Co. in

Peg Cook, Agronomist
Cook's Consulting
Lowville, NY.

pegcook at northnet.org

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