Soil Testing and Research Laboratory

The Soil Testing Laboratory will be accepting soil samples through December 21 at 4:30. We will be closed from December 22 through January 1, 2018 for the holidays. We will resume accepting soil samples on January 2, 2018.

Mission Statement

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.



Lab Hours

Monday through Friday 8:00 AM to 4:30 PM

About Us

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.