Knowledge Exchange

Industry Centers of Excellence

Farm Supply

The Farm Supply Center of Excellence provides strategic information regarding agricultural inputs, including crop nutrients, seed, and petroleum products. This group analyses macro issues impacting the farm supply industry as well as micro issues affecting the farm supply business.

Center of Excellence Members
Troy Collins, VP/Senior Relationship Manager and Center of Excellence Chair
Terry Barr, Senior Director, Knowledge Exchange (Ex Officio)
Zack Carpenter, Sector Vice President
Kent Erhardt, VP/Lead Relationship Manager
Wes Griggs, VP/Senior Relationship Manager
Mike Minnihan, Associate Relationship Manager
Tom O'Grady, Credit Supervisor
Al Schuler, VP/Lead Relationship Manager
Michael Walton, VP/Lead Relationship Manager
Gary Weidenborner, VP/Senior Relationship Manager
Holly Womack, VP/Lead Relationship Manager 
Tanner Ehmke, Senior Economist, Knowledge Exchange 

Recent Farm Supply Research Reports
The Evolving U.S. Nitrogen Landscape
Precision Agriculture - A Retailer's Perspective
Precision Agriculture - Technological Alchemy
Using Fertilizer Swaps to Reduce the Risks from Volatility in Fertilizer Prices
Lessons Learned from the 2008-09 Price Volatility for Fertilizer
Uncertainty in the Grain Belt: Navigating Today’s Volatile Fertilizer Markets

If you would like to obtain a copy of any one of KED’s research reports, please either contact your CoBank relationship manager or send an e-mail to the Knowledge Exchange Division at



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