Soil testing

Basic soil testing analyzes nutrient content and fertility status. Results include fertilizer and lime recommendations. Additional tests are available for nutrient management plans, environmental issues, potting mixes, compost, manure and water usage. Each sample should contain about 1½ cups of dry soil from 6 to 7 inches deep. Consult our soil testing publications for specific instructions. Results are typically provided within two weeks.

$15 per sample for basic soil testing, $5 handling fee for manure and water testing and $20 deposit for soil test probe.

Hay testing

Mailing materials and probes, or hay samplers, for forage testing by commercial labs are available as a convenience to our clients. Probes/samplers are recommended to get a proper sample.

$5 handling fee and $20 deposit hay test probe.

Plant and insect identification

Plant and insect samples may be brought to the extension office for identification or disease diagnosis. Recommendations for managing pests, weeds and diseases are provided.

$5 handling fee.

Canner gauge tests

Testing for dial-type pressure canner lids is available. Dial-type gauges should be tested annually to ensure accuracy and prevent bacterial contamination of preserved foods. (Testing is not necessary for weighted gauges.)

$3 per gauge tested. Bring canner lid only.

Private pesticide applicator training

MU Extension provides private pesticide applicator training for producers as required for Missouri Department of Agriculture certification. Individuals must purchase or bring a copy of MU Extension publication M87, Private Pesticide Applicator Reference Manual, to the training. Manuals may be purchased at the extension center.

$12 pesticide manual charge.

Plant disease diagnosis

Plant disease, insect and weed diagnosis is available for field crops, ornamentals, vegetables, fruits and turfs.

$5 handling fee.


MU Extension has publications on agriculture, natural resources, lawn and garden, home and consumer life, nutrition and health, families, community and leadership development, business and careers, emergency management and other topics. Prices vary by publication. 

Resource library

A variety of print, video and audio materials are available for check out to local residents.

Veterinary lab services

MU Extension accepts test samples for the MU Veterinary Medical Diagnostic Lab. Fees vary by test.

Additional testing services

Other services include chemical analyses of foods, feeds, fertilizers and water.

Putnam County Extension 1601 Main Street Courthouse Room 104 Unionville, MO 63565

Distance education test proctoring

MU Extension proctors tests for students enrolled in Mizzou Online courses.

Call to set up a time.

Meeting room rental

Meeting space at the MU Extension office is available to local community groups.

4-H building rental will be available after remodeling and new handicap restrooms are completed in 2011. Building is 102 X 50 and located at 615 North 22nd Street, Unionville, MO. Contact Putnam County Extension at 660-947-2705.