| Value | Category | Cases | |
|---|---|---|---|
| 1 | from conventional tillage to reduced tillage | 6 |
8.3%
|
| 2 | from no tillage to reduced tillage | 7 |
9.7%
|
| 3 | from no tillage to conventional tillage | 11 |
15.3%
|
| 4 | from reduced to conventional tillage | 48 |
66.7%
|
| Sysmiss | 83 |