measure salt in soil
Wayne S. Ambler
wambler at erols.com
Sat Oct 11 13:04:35 EST 1997
My greenhouse soluble salt meter measures salts in ppm, and millimhos.
Some of the research I've found indicates salt levels in EC units.
and/or dSm(exponent)-1. Can someone explain this in high school math
level terms? I have not had chemestry and need some help understanding
One study class the low salt level 3dSm-1, and the high salt level
10dSm-1. If the -1 is an exponent, it seems it should be visa
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