| Site | Soil Type | Wheat Cultivar | Data Period |
| Swift Current | Orthic Brown Chernozem | Marquis | 1949-1965 |
|
|
| Neepawa | 1966-1997 |
|
|
| AC Barrie | 1998-2009 |
| Melfort | Orthic Black Chernozem | Marquis | 1946-1964 |
|
|
| Neepawa | 1965-1973 and 1995-2000 |
|
|
| AC Barrie | 2001-2009 |