| Value | Category | Cases | |
|---|---|---|---|
| 1 | don’t know/ no answer | 5 |
45.5%
|
| 2 | from no tillage to reduced tillage | 2 |
18.2%
|
| 3 | from reduced to conventional tillage | 4 |
36.4%
|
| Sysmiss | 40 |