| Value | Category | Cases | |
|---|---|---|---|
| 1 | Ridge till | 1792 |
7.7%
|
| 2 | Mulch till | 130 |
0.6%
|
| 3 | Planting holes/pits | 1490 |
6.4%
|
| 4 | Zero tillage/ No tillage | 1782 |
7.7%
|
| 5 | Conventional tillage | 18080 |
77.7%
|
| Sysmiss | 8584 |