| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 202 |
11.9%
|
| 2 | medium - this includes loamy soils that are moderately | 1091 |
64.3%
|
| 3 | heavy - this includes clayey soils that are hard | 405 |
23.9%
|
| Sysmiss | 836 |