| Value | Category | Cases | |
|---|---|---|---|
| 1 | Compost ditch | 3791 |
44.5%
|
| 2 | Ground compost | 4458 |
52.4%
|
| 3 | Manure heap | 62 |
0.7%
|
| 4 | Prepared in other way | 204 |
2.4%
|