North Dakota Extension & Soil Testing Directory
Find your local North Dakota County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: NDSU Soil Testing Laboratory
Standard Fee: $15 per routine sample
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: Red River Valley Black Mollisols & Clay
Hardiness Zones: Zone 4a / 4b
Popular Crops: Sunflowers, wheat, sugar beets, potatoes, brassicas
Fargo clay soils retain water; raised garden beds help extend the spring season.
Featured County Directories in North Dakota (1 Listing)
Cass County
Extension Office: NDSU Extension - Cass County
Soil Lab Fee: $15 per routine sample
Phone: (701) 241-5700
Looking for Another County in North Dakota?
Every county in North Dakota 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 NDSU Soil Testing Laboratory or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: North Dakota Soil & Extension
How do I get my soil tested in North Dakota?
To test your soil in North Dakota, 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 NDSU Soil Testing Laboratory or your local county extension office.
How much does soil testing cost in North Dakota?
Routine soil fertility analysis in North Dakota typically costs $15 per routine sample. Turnaround time for results is usually 5 to 7 business days.
Does every county in North Dakota have a Cooperative Extension Office?
Yes. Every county in North Dakota 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 North Dakota.
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.