Northern Prairie Wildlife Research Center
| Row spacing (inches) | No. Of seed sprouts to use | Revolutions of drive wheel |
| 6 | 4 | 96/C=R* |
| 7 | 4 | 82/C=R |
| 8 | 3 | 96/C=R |
| 10 | 3 | 77/C=R |
| 12 | 2 | 96/C=R |
| 24 | 1 | 96/C=R |
| 30 | 1 | 77/C=R |
| 36 | 1 | 64/C=R |
| 42 | 1 | 55/C=R |
| 48 | 1 | 48/C=R |
* C=wheel circumference; R=revolutions of drive wheel