| Value | Category | Cases | |
|---|---|---|---|
| 1 | Compost | 307 |
73.4%
|
| 2 | Urea | 69 |
16.5%
|
| 3 | DAP | 5 |
1.2%
|
| 4 | Murate of Potash | 5 |
1.2%
|
| 5 | Chilated zinc | 1 |
0.2%
|
| 6 | Don't know | 31 |
7.4%
|