Morrisville State CollegeDepartment of Agricultural Sciences

Instructional Soil Testing Lab

pH Test
1. Add one tablespoon of air-dry soil into a plastic cup. pH test photo
2. Add one tablespoon of distilled water and mix throughly with a spatula for 5 seconds. 
3. Add 2 drops of 2.0 M Calcium Chloride solution.
4. Read the pHs after half an hour.
5. After reading the pH, add one tablespoon of the Woodruff Buffer solution.
6. Stir intermittently over a 30 minute period and then measure the pH.

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Department web site designed and maintained by Dr. Walid Shayya.  Last modified: August 20, 2010.