Figure 1
Map of Vietnam, with indication of the study area in Yen Bai Province.
Figure 2
A cross-section of a typical upper-catchment in the Northern mountainous provinces of Vietnam.
Figure 3
Nutrient status over time of one field under base and set-aside scenarios.
Figure 4
Impact on average plot fertility of a 25% reduction of cropping area without compensation.
Table 1
Simplified typology of households in upper-catchments..
| Higher proportion of sloping upland | Higher proportion of paddy land | |
|---|---|---|
| Access to markets Poor | 1. Subsistence upland rice farming | 3. Subsistence paddy farming |
| Good | 2. Commercial production of crops for markets | 4. Commercial production in upland with rice in paddies |