| Value |
Category |
| 1 |
None |
| 2 |
ignorance |
| 3 |
High cost |
| 4 |
Soil type |
| 5 |
Terrain |
| 6 |
culture |
| 8 |
Don't know |
| 96 |
other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.