| Value | Category | Cases | |
|---|---|---|---|
| 1 | light - this includes sandy soils that are easy to | 162 |
40.4%
|
| 2 | medium - this includes loamy soils that are moderately | 153 |
38.2%
|
| 3 | heavy - this includes clayey soils that are hard | 86 |
21.4%
|
| Sysmiss | 155 |