| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 127 |
17.3%
|
| 2 | medium - this includes loamy soils that are moderately | 375 |
51%
|
| 3 | heavy - this includes clayey soils that are hard | 233 |
31.7%
|
| Sysmiss | 549 |