University of Missouri Extension

University of Missouri Extension




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. 

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.

Tests are $20 per sample. Analysis usually returned within two weeks.

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 or online at

Due to COVID-19 concerns, online trainings are available.  For more information, please visit:


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.

Educational opportunities
Single- and multi-session educational programs cover topics in agriculture, natural resources, lawn and garden, home and consumer life, nutrition and health, families, community and leadership development, business and careers, and emergency management. Fees vary by program. Customized training is available.

Distance education test proctoring
MU Extension proctors tests for students enrolled in Mizzou Online courses.

Call the extension office to schedule a time for the exam.

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.)

The cost is $1 per gauge. Allow one hour for testing. 

What is 4-H?
The 4-H program is the Cooperative Extension system's youth development program. It connects caring adult volunteers with youth so they can learn leadership, citizenship and life skills in fun, experiential learning activities. The 4-H program is for youth ages of 8 and 18. 
Follow us on Facebook @osageco4h


University of Missouri Extension Office
205 E. MAIN ST.
P.O. BOX 795
LINN, MO 65051 

(573) 897-2497 – Phone EXT. 351

Follow us on Facebook @OsageCntyExtensionCouncilMO

 Monday – Wednesday 8:00 AM – 4:30 PM
Thursday 8:00 AM – 2:30 PM
Friday Closed.
 Closed daily between 12:00 PM – 12:30 PM for lunch and closed for all major holidays. 

County Engagement Specialist in Community Economic Development- Elizabeth Anderson

Youth Program Assistant - Allison Rieke

Administrative Assistant – Karen Thompson


University of Missouri Extension Webpage
Soil Testing Publications link
Private Pesticide Applicator Reference Manual link
Mizzou Online

© 2017 Osage County,MO 205 E. Main Street, Linn, MO 65051

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