Tradeoff Analysis Illustrative results
TOA projects Ecuador - Carchi Potato-pasture system High external inputs Steep slopes High altitude (>2800 m.a.s.l.) Well-distributed rainfall mm/yr Mean temperatures (9-12 ° C)
Ecuador - Carchi Stakeholder meetings Indicators Economic indicators Human health effects of pesticides Environmental effects of pesticides Water erosion Tillage erosion
Ecuador - Carchi Stakeholder meetings Scenarios Price policies Pesticide handling (incl. protective clothing) Integrated Pest Management
Ecuador - Carchi
Inherent productivity Carbofuran use Potato/dairy ratio Tillage erosion Carbofuran leaching
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Carbofuran leaching Low High
Ecuador - Carchi
Capacity development through IPM Farmer Field Schools Participatory technology development (CIALs) Exchanges among communities Activities centered on men
Ecuador - Carchi Activities centered on women Knowledge strengthening (IPM FFS, directed training) Introduction of IPM to grade school curriculum Propaganda campaigns
Ecuador - Carchi Community level action Strengthening community participation through: –Exchange of information and public discussion –Analysis of tradeoffs –Site visits Advocacy: –Elimination of highly toxics –Public investment in IPM
Ecuador - Carchi Farmer field schools Reduction in pesticide use, while maintaining production (19 t/ha): 12 to 7 applications (60% less active ingredient by area) Reduction in use of most toxic pesticides: Metamidaphos (40%), Carbofuran (75%) Improved profitability: Cost/tm $21 (22%); net benefit/ha. $722 (36%); return on investment: from 120% to 145%
TOA projects Peru – Cajamarca Potato-pasture-grain system Low external inputs Steep slopes High altitude ( m.a.s.l.) Average annual rainfall <700mm/yr Temperatures around 10°C
Peru - Cajamarca Stakeholder meetings Indicators Economic indicators Water erosion Carbon sequestration
Peru - Cajamarca Stakeholder meetings Scenarios Terracing Carbon contracts Climate change
Cajamarca - terracing
Cajamarca – climate change
Cajamarca - terracing % Subsidy % profitable terraced fields Steep slopes Minor slopes Incl. maintenance subsidy Construction subsidy
Cajamarca – carbon sequestration Carbon (metric tons) Price ($/metric ton) Terraces + Agro-forestry (high carbon) Terraces (high carbon) Terraces (Low carbon)
TOA projects Senegal - Njoro Peanut-millet rotation Low external inputs Rolling/flat terrain Low altitude (<50 m.a.s.l.) Semi-arid climate (<700 mm/yr) Average temperature 24° C
Senegal - carbon supply curves Carbon (Mg) C Price ($/Mg) Fertilizer Fertilizer + Crop residues Note threshold effect of increased labor costs plus transaction costs.
TOA projects Kenya - Machakos Mixed crop-livestock system Low external inputs Steep slopes Altitude ( m.a.s.l.) Semi-arid climate ( mm/yr) Average temperature 20° C