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Food SecurityPolicy ResearchFood PolicyDeveloping CountriesAgricultural Public Goodsthe Welfare of the WorldNatural ResourcesDecline in Soil FertilityAgricultural Research and DevelopmentAverage Per Capita IncomePer CapitaConsumption BundleIntegrated Nutrient ManagementFish AvailabilityInternational GovernanceWorld Food SecurityPublic Goods ProvisionAgricultural SustainabilityManagement of PlantLocal Public Goods