| Year | Winner | Affiliation | Location | County |
| 2022 | Troy Jenkins | Ceres Solutions Cooperative | Rochester |
Fulton
|
|
2021
|
Rodney Miller | Crop Fertility Specialists | Rossville | Clinton |
| 2020 | Steve Smith | Red Gold | Elwood | Madison |
| 2019 | Randall Warden | A&L Great Lakes Laboratories, Inc. | Fort Wayne | Allen |
| 2018 | Bryan Overstreet | Purdue Extension | Rensselaer | Jasper |
| 2017 | Bill Bradford | Helena Chemical Co. | Markle | Wells |
| 2016 | Jon Peacock | Pioneer | Winchester | Randolph |
| 2015 | Kevin Adams | CPS | Shelbyville (Selma) | Delaware |
| 2014 | Barry Fisher | NRCS | Greencastle | Putnam |
| 2013 | Andy Like | Daylight Farm Supply | Monroe City | Knox |
| 2012 | Larry Huffmeyer | Syngenta | Osgood | Ripley |
| 2011 | Brian Herr | Daylight Farm Supply | Chandler | Warrick |
| 2010 | Mike Mace | Ceres Solutions | Brazil | Clay |
| 2009 | Steve Gauck | Decatur | ||
| 2008 | Ray Kerhof | Hancock | ||
| 2007 | Darrell Shemwell | Posey | ||
| 2006 | Eugene Flaningham | Knox | ||
| 2005 | ||||
| 2004 | Tony Bailey | NRCS | Indianapolis | |
| 2003 | Greg Bossaer | Purdue Extension | Reynolds | White |
| 2002 | Betsy Bower |
