| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 33 |
7.9%
|
| 2 | medium - this includes loamy soils that are moderately | 323 |
77.3%
|
| 3 | heavy - this includes clayey soils that are hard | 62 |
14.8%
|
| Sysmiss | 278 |