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 7b / 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 (10 Listings)
Pulaski County
Extension Office: University of Arkansas System Division of Agriculture Extension - Pulaski County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (051) 555-0199
Benton County
Extension Office: University of Arkansas System Division of Agriculture Extension - Benton County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (050) 555-0199
Washington County
Extension Office: University of Arkansas System Division of Agriculture Extension - Washington County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (051) 555-0199
Sebastian County
Extension Office: University of Arkansas System Division of Agriculture Extension - Sebastian County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (051) 555-0199
Craighead County
Extension Office: University of Arkansas System Division of Agriculture Extension - Craighead County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (050) 555-0199
Faulkner County
Extension Office: University of Arkansas System Division of Agriculture Extension - Faulkner County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (050) 555-0199
Saline County
Extension Office: University of Arkansas System Division of Agriculture Extension - Saline County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (051) 555-0199
Garland County
Extension Office: University of Arkansas System Division of Agriculture Extension - Garland County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (050) 555-0199
Jefferson County
Extension Office: University of Arkansas System Division of Agriculture Extension - Jefferson County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (050) 555-0199
White County
Extension Office: University of Arkansas System Division of Agriculture Extension - White County
Soil Lab Fee: $0 (Free routine testing for Arkansas residents)
Phone: (051) 555-0199
📦 Recommended Mail-In Soil Test Kits & Meters
FTC Affiliate Disclosure: We may earn a commissionIf you need immediate results without waiting for university mail-in lab turnaround times, these top-rated professional home soil test kits provide fast pH, N, P, and K diagnostic analysis:
MySoil Soil Test Kit
Professional mail-in kit analyzed by accredited labs. Returns 13 essential nutrient values (N, P, K, pH, Micronutrients) & customized fertilizer recommendations via app.
Luster Leaf Rapitest 1601
Popular color-comparator kit for 10 instant soil tests (pH, Nitrogen, Phosphorus, Potash). Includes tailored plant preference chart.
Sonkir 3-in-1 Soil Tester
Instant probe sensor for soil moisture, pH, and sunlight levels. Requires no batteries. Perfect for potted plants, lawns, and raised beds.
📋 Request Local Extension & Lawn Testing Assistance in Arkansas Statewide
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently 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.