| Collaborator | Test Year(s) | Latitude | Longitude | Field Location | 
|---|
					| Brian Diers | 2011 | 40.061834 | -88.235527 | University of Illinois South Farm Area, Urbana, IL | 
					| 2012 | 40.054879 | -88.221499 | 
					| 2013 | 40.056209 | -88.233188 | 
					| Jim Specht | 2011, 2012, 2013 | 40.575256 | -98.137824 | South Central Agricultural Laboratory, 851 Highway 6, Harvard, NE 68954 | 
					| Bill Beavis | 2012, 2013 | 42.015252 | -93.734651 | Ag Engineering/Agronmy and Central IA Research Farm, 1308 U Ave, Boone, IA | 
					| Katy Martin Rainey | 2012, 2013 | 40.471148 | -86.992231 | ACRE farm, 4540 US-52, West Lafayette, IN 47906 | 
					| Bill Shapaugh | 2012 | 39.132953 | -96.618067 | Ashland Bottoms Agronomy Farm, 2801 West 40th Ave, Manhattan, KS 66502 | 
					| 2013 | 39.139503 | -96.629647 | 
					| Stella Kantartzi | 2012, 2013 | 37.701650 | -98.241869 | 3268 W Pleasant Hill Rd, Carbondale, IL 62903 | 
					| Leah McHale | 2012 | 39.857559 | -83.664630 | 7721 S Charleston Pike, S Charleston, OH 45368 | 
					| 2013 | 39.861926 | -83.680614 | 
					| Rouf Mian | 2012, 2013 | 40.766598 | -81.898679 | Kings Farm near Ohio 250 E of OARDC, Wooster, OH 44691 | 
					| Dechun Wang | 2012 | 41.922000 | -83.806000 | 4450 Beaumont Rd., Lansing, Michigan 48910 | 
					| 2013 | 41.937000 | -83.807000 | 
					| Grover Shannon | 2012, 2013 | 36.395972 | -89.614473 | Portageville, MO |