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Re: Resurrecting the Gypsum Block for Soil Moisture Measurement

My experience with Gyp blocks has been negative. The temperature response
is large, typically the change in resistance going from 10 to 30 C is as
large as the change in resistance going from 0 to 10 bars at 20 C. John
Cary wrote a paper a few years back (in an Ag. Eng. journal) that provided
a temperature correction. But it was a major correction.