| Value | Category | Cases | |
|---|---|---|---|
| 1 | Compost ditch | 3 |
37.5%
|
| 2 | Ground compost | 0 |
0%
|
| 3 | Manure heap | 3 |
37.5%
|
| 4 | Prepared in other way | 2 |
25%
|