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Soil Testing

The soil testing form below is used to test pH and soluble salt for private and commercial clients. The cost is $1 per sample. Bring the form and your soil samples to the Agricultural Center by Wednesday of any week for testing on Thursday. The results can be mailed, emailed or faxed to you, usually within a week.

How to collect a soil sample for analysis for soil pH testing:

Test by removing samples of soil from the surface down to 6 inches below the surface. Mix three to five samples from one area together in a plastic pail, then put one scoop of the mix into a sealable plastic bag. Label the bag carefully so you will know which area it represents. Sample the soil in this way for each area you want to measure.

The pH is a measure of acidity and ranges from 0 to 14. Below 7 is acid, above 7 is alkaline, and 7 is neutral. It is the single most important factor in the soil that gardeners can control.

If the test results indicate a pH other than you want, dolomitic lime can be added to lower acidity (raise the pH); powdered sulfur will increase acidity (lower the pH) for a short period of time.

For a more detailed soil analysis, fill out the printable form SL 136 and mail to the University of Florida in Gainesville with your check and soil sample(s).

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123 W. Indiana Ave.
DeLand, FL 32720
(386) 736-2700

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