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Thank you for visiting Agnition. Please fill out the form to let us know how we can assist you.


Or call or write us at:


600 Michigan Road

PO Box 1083

Marshall, MN 56258


Product Safety Emergency: 

Call 507-337-6966


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Agnition Sales Team

Contact a local Agnition rep for more information about soil and plant health or to learn where you can purchase Agnition products. 

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Joel Heilman

Northeast South Dakota

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Adam Jackson

Wisconsin, Eastern Iowa, Illinois, Ohio, New Jersey

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Grant VanKeulen

Southern Minnesota, Central Iowa

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Caleb Stewart

Kansas, Missouri, Oklahoma, Texas

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John Liston

Nebraska, Western Iowa

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Tom Murphy

Northern Minnesota, Eastern North Dakota

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Troy Wirtz

Northeast Iowa


Greg Hammer

Southeast South Dakota, Northwest Iowa

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Eric Eachus

New Jersey, New York

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Sean Rittenger

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Jeff Hill

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Mike Holmberg