| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 69 |
49.3%
|
| 2 | medium - this includes loamy soils that are moderately | 52 |
37.1%
|
| 3 | heavy - this includes clayey soils that are hard | 19 |
13.6%
|
| Sysmiss | 54 |