Table 1 Simulation parameters used in the economic trade-off analysis
| Â | Business-as-usual (BAU) | Unsustainable development (UD) | Sustainable development (SD) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Productivity trends (%) | |||||||||
 Maize | 2.08 | 2.08 | 2.26 | ||||||
 Sorghum | 1.51 | 1.51 | 1.62 | ||||||
 Groundnuts | 1.25 | 1.25 | 1.32 | ||||||
 Cattle | 1.45 | 1.45 | 1.55 | ||||||
 Goats | 1.04 | 1.04 | 1.13 | ||||||
Price trends (%) | No CC | With CC | No CC | With CC | No CC | With CC | |||
 Maize | 1.19 | 1.26 | 1.19 | 1.26 | 1.25 | 1.29 | |||
 Sorghum | 1.23 | 1.34 | 1.23 | 1.34 | 1.19 | 1.29 | |||
 Groundnuts | 1.3 | 1.32 | 1.3 | 1.32 | 1.32 | 1.33 | |||
 Cattle | 1.06 | 1.08/1.07 | 1.06 | 1.08/1.07 | 1.18/1.11 | 1.2/1.12 | |||
 Goats | 1.06 | 1.07 | 1.06 | 1.07 | 1.19 | 1.2 | |||
Stratum | 1 | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 3 |
Cultivated land (ha) | 1.8 | 2.4 | 3.2 | 0.9 | 3.5 | 4.8 | 1.8 | 2.8 | 3.7 |
Herd size (TLU) | 0 | 6 | 13.4 | 0 | 8.8 | 22 | 3.5 | 8 | 19.6 |
Family size (persons) | 6.2 | 7.3 | 7.6 | 6.5 | 6.2 | 6.6 | 6.5 | 7.6 | 8.1 |
Off-farm income (USD) | 956.5 | 1031.1 | 1097.7 | 1304.3 | 1031.1 | 1097.7 | 1043.4 | 1124.8 | 1197.8 |
Cropland allocation (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Maize | 50 | 56 | 55 | 100 | 50 | 35 | 40 | 35 | 35 |
 Sorghum | 32 | 28 | 30 | 0 | 0 | 15 | 10 | 15 | 15 |
 Groundnut | 18 | 16 | 15 | 0 | 20 | 20 | 30 | 20 | 20 |
 Mucuna | 0 | 0 | 0 | 0 | 30 | 30 | 20 | 30 | 30 |
Inorganic fertilizer (kg N/ha) | |||||||||
 Maize (11.6**) | 11.6 | 11.6 | 11.6 | 18 | 48 | 48 | 18* | 18* | 18* |
 Sorghum (0**) | 0 | 0 | 0 | 0 | 30 | 30 | 18* | 18* | 18* |
 Groundnut (0**) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Manure (kg/ha) | |||||||||
 Maize (2366**) | 0 | 2366 | 2366 | 0 | 0 | 0 | 1100 | 2200 | 2200 |
 Sorghum (0**) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Groundnut (0**) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cattle offttake (%) | 5 | 5 | 5 | 20 | 20 | 20 | 20 | 20 | 20 |
Goat offttake (%) | 5 | 5 | 5 | 20 | 20 | 20 | 20 | 20 | 20 |
Improved feeding regime | |||||||||
 Cattle stock feed (kg) | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0.5 | 0.5 |
 Cattle residues, maize, mucuna, leucaena (kg) | 0 | 0 | 0 | 0 | 1.5 | 1.5 | 0 | 0.55/0.45/0 | 0.55/0.45/0 |
| Â | Adaptation and mitigation options | ||||||||
|---|---|---|---|---|---|---|---|---|---|
A1. Change in crop varieties | Shift to drough tolerant varieties | Shift to drough tolerant varieties | Shift to drough tolerant varieties | ||||||
A2. Change in cropland allocation (%) | Crop diversification | Crop diversification | Crop diversification | ||||||
 Maize | no change | no change | 18 | 18 | 18 | ||||
 Sorghum | no change | no change | 18 | 18 | 18 | ||||
 Groundnut | no change | no change | 25 | 25 | 25 | ||||
 Mucuna | no change | no change | 17 | 17 | 17 | ||||
 Leucaena | no change | no change | 22 | 22 | 22 | ||||
A3. Change in herd composition, offtake | Shift cattle to goats | Shift cattle to goats | Shift cattle to goats | ||||||
Herd composition | Â | Â | All HH convert half their cattle to goats | Half HH convert all cattle to goats | |||||
 Cattle offtake (%) | no change | no change | 20 | 20 | 20 | ||||
 Goat offtake (%) | no change | no change | 35 | 35 | 35 | ||||
Further improved feeding regime (kg/animal/day) | Â | Â | Â | Â | Â | ||||
 Cattle stock feed (kg) | no change | no change | 0 | 0.5 | 0.5 | ||||
 Cattle residues, maize, mucuna, leucaena (kg) | no change | no change | 0 | 0.4/0.3/0.3 | 0.4/0.3/0.3 | ||||