Soil and Plant Testing Laboratory

The Soil and Plant Testing Laboratory analyzes soil, plant, water, manure, compost and greenhouse media. The laboratory provides quality testing and unbiased, research-based recommendations to clients for economically viable and environmentally safe nutrient management practices.

The fee-based services are available to farmers, homeowners, vegetable and fruit growers, lawn and landscape specialists, golf course managers, consultants, researchers and government agencies.

The services that we offer include:

  • Analyzing soil for nutrient content and fertility status
  • Providing recommendations for economical, environmentally safe and balanced fertilizer and lime applications
  • Special soil tests for nutrient management plans and for addressing environmental issues
  • Analyzing potting mixes for nursery growers
  • Analyzing plant tissue for field crops, ornamentals, vegetables, fruits and turfs
  • Compost testing
  • Manure analysis
  • Water testing for domestic, irrigation, poultry and livestock suitability

Note:  MU Extension does not endorse commercial products.

Videos about understanding and using soil test reports

Remote video URL
Watch Understanding your soil test on YouTube.

Understanding soil tests

Remote video URL
Watch On-farm Compost Use on YouTube.

On-farm compost use

Using compost analyses and soil test reports to determine field application rates

Remote video URL
Watch Understanding Soil Test Reports on YouTube.

Soil testing for growing success

For commercial horticultural soil test reports

Remote video URL
Watch Soil pH Adjustments on YouTube.

Amending soil

pH and salinity management (for commercial horticulture)


Missouri Environment and Garden newsletters

Articles on gardening and horticulture from the Integrated Pest Management (IPM) program.

Mizzou Crop & Pest News

Stay up to date on the latest news and information with the Integrated Pest and Crop Management newsletter.

On-Farm Compost Use Based on Soil Testing/Compost Analysis (video)

Video about using compost analyses and soil test reports to determine field application rates (for commercial producers) by Justin Keay, Field Specialist in Horticulture.

1100 University Ave
Mumford Hall Room 23
Columbia, MO 65211-0001

Office hours

8:30 a.m. to 4 p.m. CST


We are in the east side basement of Mumford Hall with an outside door. There are parking spots behind the building.