| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 1811 |
89.4%
|
| 1 | Advanced varieties that can tolerate blight should be cultiv | 112 |
5.5%
|
| 2 | There is nothing that can be done. | 42 |
2.1%
|
| 3 | Potatoes should be planted in the shade. | 60 |
3%
|
| Sysmiss | 184 |