| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 73 |
32.3%
|
| 2 | medium - this includes loamy soils that are moderately | 124 |
54.9%
|
| 3 | heavy - this includes clayey soils that are hard | 29 |
12.8%
|
| Sysmiss | 128 |