| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 35 |
18.2%
|
| 2 | medium - this includes loamy soils that are moderately | 153 |
79.7%
|
| 3 | heavy - this includes clayey soils that are hard | 4 |
2.1%
|
| Sysmiss | 207 |