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Farmer City nitrogen specialists who run their own ISNT and nitrate soil lab and build variable-rate nitrogen plans from field rate studies.
Local / field service
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Milford Center crop consulting firm with a patented soil sampler and in-house certified lab, serving about 150,000 acres in Ohio and nearby states.
Local / field service
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Honolulu soil analysis provider offering fertility and specialty crop testing for Hawaii growers.
Local / field service
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DeWitt research and consulting firm scouting about 30,000 acres, mostly potatoes, with its own nematode and plant diagnostic lab.
Local / field service
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Phoenix analytical laboratory offering agricultural soil, plant tissue, irrigation water, compost and fertilizer testing.
Local / field service
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Hastings lab and Nebraska base of ServiTech, an agronomy firm offering in-season scouting programs, soil fertility advice and precision ag.
Local / field service
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Agronomy firm and ag lab headquartered in Dodge City, offering in-season scouting programs, soil fertility advice and precision ag data work.
Local / field service
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Independently owned Fort Wayne lab covering soil, tissue, manure, compost, feed, water and lawn tests for farmers across the US; runs MSU's program.
Mail-in service
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Independent Albany lab on the Minnesota Department of Agriculture’s certified soil-testing laboratory list; confirm services with the lab.
Mail-in service
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Auburn soil lab north of Fort Wayne, now part of Deveron, offering fertility, micronutrient, PSNT and tissue tests with precision sampling.
Mail-in service
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Champaign soil lab and agronomy firm doing fertility testing, farm soil-management programs and nutrient assessments for landowners and producers.
Mail-in service
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Lincoln lab of the AgSource cooperative, listed by states as AgSource Harris, testing soil, plant tissue, fertilizer, irrigation water and turf.
Mail-in service
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AgSource's Bonduel agronomy lab runs soil, soil health, tissue, manure and water tests plus grid sampling and nutrient plans for farms nationwide.
Mail-in service
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AgSource's Iowa agronomy and environmental lab in Ellsworth testing soil, soil health, tissue, manure, water and soybean cyst nematode.
Mail-in service
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AgSource's central-Wisconsin agronomy lab in Stratford offering soil, soil health, tissue and manure analysis with mapping and crop scouting.
Mail-in service
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Northwood, ND lab of AGVISE testing soil, plant tissue, manure, fertilizer and water for growers across the US and Canada.
Mail-in service
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Benson lab of a Northern Plains soil-testing company serving farmers and agronomists in the US and Canada with online sample submission.
Mail-in service
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Southwest Nebraska lab in McCook, started in 1976 as Olsen's Laboratory, testing soil, plant tissue, nematodes, feed, water and manure.
Mail-in service
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Auburn university lab testing soil, forage, plant tissue and water for Alabama farms and gardens.
Mail-in service
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Ohio laboratory offering chemical, physical, biological, and soil health testing through its consultant network.
Mail-in service