| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 54 |
49.1%
|
| 2 | medium - this includes loamy soils that are moderately | 46 |
41.8%
|
| 3 | heavy - this includes clayey soils that are hard | 10 |
9.1%
|
| Sysmiss | 133 |