| Value | Category | Cases | |
|---|---|---|---|
| 1 | from conventional tillage to reduced tillage | 25 |
13.5%
|
| 2 | from no tillage to reduced tillage | 15 |
8.1%
|
| 3 | from conventional tillage to no tillage | 143 |
77.3%
|
| 4 | from reduced tillage to no tillage | 2 |
1.1%
|
| Sysmiss | 579 |