Lamotte com pany – LaMotte HESTER SOIL TEST ST-H User Manual
Page 3
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5.
Add two drops of the chosen narrow range indicator to the second
sample on the spot plate. Compare the resulting color reaction
against the appropriate color chart to obtain a precise soil pH reading.
The five narrow range pH tests are:
INTERPRETATION OF pH READING:
If the pH is
Then the soil is
Below 5.5
Strongly Acid
5.5-6.0
Moderately Acid
6.1-7.0
Slightly Acid
Above 7.0
Alkaline
LaMOTTE COM PANY
Helping Peo ple Solve An a lyt i cal Chal lenges
®
PO Box 329 • Chestertown • Mary land • 21620 • USA
800-344-3100 • 410-778-3100 (Out side U.S.A.)
Visit us on the web at www.lamotte.com
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