COLUMBIA, Mo. – For now, the University of Missouri Soil and Plant Testing Laboratory remains open.

“We understand the essential role the lab plays in supporting Missouri's agricultural industry,” said Robert Kallenbach, MU Extension senior program director for agriculture and environment. “If we can continue to operate safely, the MU Soil Testing Laboratory in Columbia will continue to accept samples.”

The MU Soil and Plant Testing Lab has served farmers and homeowners for at least 70 years. Tests provide unbiased, research-based recommendations for efficient nutrient management and improved production.

Due to COVID-19, many MU Extension centers are not currently accessible. If your county extension center is closed at this time, you can submit your samples directly to the MU Soil and Plant Testing Lab, 23 Mumford Hall, Columbia, MO 65211.

Visit the lab’s website at for detailed instructions and to generate a UPS shipping label. Include a completed sample information form. Forms are available for download:

“We're working hard to serve the many Missourians who depend on our services,” said Manjula Nathan, director the lab. “We are also working hard to ensure our team stays safe and healthy in this unprecedented time. We thank you for your ongoing support and understanding.”

For questions, visit or call 573-882-0623.