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Proper Soil Sampling
Technique for Soil Sample Collection and Submission
(Results are only as good as the
soil sample submitted)
Anyone can submit a sample(s) for testing. The University of Florida
IFAS Extension Soil Testing Laboratory tests soil samples for pH,
Phosphate, Calcium, Magnesium, Potassium, Iron and Copper, etc. The
Volusia County soil test can only analyze soil pH and soluble salts. For
acreage in excess of 10 acres, I recommend sending the samples to the
University of Florida IFAS Soil Testing Laboratory for a more complete
analysis. For areas less than 10 acres, one can submit samples to the
Volusia Soil lab.
Before Sampling:
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Develop a
soil sampling plan of your filed. Samples should represent the area
being tested, so collect samples from areas that are of the same
soil type, appearance, or cropping history. Sample problem areas
separately, if needed. From this plan, count the number of samples
you will collect.
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Soil
sample bags, addressed shipping boxes are available from your county
Extension office if you are using the IFAS Extension Soil Testing
Laboratory. Obtain the materials you need to complete your sampling
plan.
Collecting
Samples:
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Collect
soil from 20 or more spots within each area; mix these samples in a
clean plastic bucket.
-
Sample
from soil surface to depth of tillage, usually 0 to 6 inches. For
pastures, sample from 0 to 4 inch depth.
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Spread
the collected material on clean paper or other suitable material to
air dry. Do not send wet samples.
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Mix the
dry soil, and placed about one pint of soil in a labeled sample bag.
Sending Samples
to the Extension Soil Testing Laboratory:
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Enter
each sample’s identification on its sample bag and in the “Soil
Sample identification” column. List each sample separately.
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Lime and
fertilizer recommendations are provided only if the crop code(s) is
listed.
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Include
the analysis code for each desired test.
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Enter
costs form the Analysis Cost list found on page 3 of this form
-
Sum the
costs of all samples and analyses. Make check or money order payable
to: IFAS Extension Soil Testing Laboratory.
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Include
the completed Producer Soil Test Information Sheet and the check or
money order in the shipping box with the samples(s). The form is
available at:
http://edis.ifas.ufl.edu/pdffiles/SS/SS18600.pdf
Test Result:
- A soil test report will be mailed to
you within 5 to 10 days after your sample arrives at the Extension
Soil Testing Laboratory. Contact your county Extension office if you
have questions concerning the Soil Test Report.
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