| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 49 |
70%
|
| 2 | medium - this includes loamy soils that are moderately | 20 |
28.6%
|
| 3 | heavy - this includes clayey soils that are hard | 1 |
1.4%
|
| Sysmiss | 79 |