Arkansas Extension & Soil Testing Directory
Find your local Arkansas County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: University of Arkansas Soil Testing and Research Laboratory
Standard Fee: $0 (Free routine testing for Arkansas residents)
Turnaround Time: 5 to 7 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Arkansas River Alluvial Silt Loam & Sandy Clay
Hardiness Zones: Zone 8a
Popular Crops: Tomatoes, strawberries, watermelons, soybeans, rice
Arkansas residents enjoy free state routine soil testing. Sample garden beds in autumn to prepare for spring.
Featured County Directories in Arkansas (1 Listing)
Pulaski County
Extension Office: UADA Cooperative Extension Service - Pulaski County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (501) 340-6650
Looking for Another County in Arkansas?
Every county in Arkansas is supported by the state Land-Grant University Extension system. If your specific county directory is currently being indexed, you can submit your soil samples directly to University of Arkansas Soil Testing and Research Laboratory or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: Arkansas Soil & Extension
How do I get my soil tested in Arkansas?
To test your soil in Arkansas, collect 10 to 12 soil cores from a depth of 4 to 6 inches across your garden or field, air-dry the sample indoors, fill out your county extension submission form, and submit it to University of Arkansas Soil Testing and Research Laboratory or your local county extension office.
How much does soil testing cost in Arkansas?
Routine soil fertility analysis in Arkansas typically costs $0 (Free routine testing for Arkansas residents). Turnaround time for results is usually 5 to 7 business days.
Does every county in Arkansas have a Cooperative Extension Office?
Yes. Every county in Arkansas is served by the state's Land-Grant University Extension system. While our directory highlights primary regional office hubs and university labs, local extension agents serve horticulturists, farmers, and home gardeners across all counties in Arkansas.
Written & Verified by Sahajul
Verified Author & Founder
Sahajul is an independent agricultural data researcher based in India and founder of LocalSoilLab.com. He specializes in compiling, structuring, and verifying US land-grant university extension services, soil lab testing fee schedules, and county Master Gardener contact directories directly from official .edu and USDA NIFA portals.