Soil Testing and Research Laboratory
The mission of the Marianna Soil Test Laboratory is to provide accurate and timely routine soil analyses and unbiased nutrient management guidelines that are based on the best available science to Arkansas residents.
Monday through Friday 8:00 AM to 4:30 PM
The Marianna Soil Testing Laboratory is part of the University of Arkansas System Division of Agriculture and is located in Marianna, AR adjacent to the Lon Mann Cotton Research Station. We are located 3 miles south of Marianna on Hwy1.