Challenges and Opportunities for Agricultural Intensification of the Humid Highland Systems of Sub-Saharan Africa

Theme 1 - System characterization.- Bridging the soil map of Rwanda with the 'farmer's mental soil map' for an effective Integrated and Participatory Watershed Management research model.- Intensification of crop-livestock farming systems in East Africa: A comparison of selected sites in the highlands of Ethiopia and Kenya.- Rapid assessment of potato productivity in Kigezi and Elgon Highlands in Uganda.- Farmers' knowledge and perception of climbing beans-based cropping systems in Rwanda.- Securing crop phosphorus availability in the humid tropics: Alternative sources and improved management options - A review.- Theme 2 - System components.- A decade of agricultural research in Rwanda: Achievements and the way forward.- Do commercial biological and chemical products increase crop yields and economic returns under smallholder farmer conditions?.- Enhanced utilization of biotechnology research and development innovations in eastern and central Africa for agro-ecological intensification.- Investing in Land and Water Management Practices in the Ethiopian Highlands: Short- or Long-Term Benefits?.- Yield responses of cowpea (Vigna unguiculata) varieties to phosphorus fertilizer application across a soil fertility gradient in western Kenyan highlands.- Innovations to overcome staking challenges to climbing beans production by smallholders in Rwanda.- Crop-livestock interaction for improved productivity: Effect of selected varieties of field pea (Pisum sativum L.) on grain and straw parameters.- From standards to practices: The intensive and improved rice (SRI and SRA) systems in the Madagascar Highlands.- Identification of elite, high yielding and stable maize cultivars for Rwandan mid-altitude environments.- Determination of appropriate rate and mode of lime application on acid soils of western Kenya: targeting small scale farmers.- Assessment of fertilizer efficiency in Walungu weathered soil on maize yield.- Improvement of sweetpotato (Ipomoeabatatas (L.) Lam) production with fertilizer and organic inputs in Rwanda.- Evaluation of sweetpotato varieties for the potential of dual-purpose in different agroecological zones of Kenya.- Theme 3 - Drivers and determinants for adoption.- Livelihoods heterogeneity and water management in Malawi: policy implications for irrigation development.- Access to subsidized certified improved rice seed and poverty reduction: evidence from rice farming households in Nigeria.- Factors influencing the adoption of improved rice varieties in Rwanda: An application of the Conditional Logit Model (CLM).- Assessing the influence of farmers' field schools and market links on investments in soil fertility management under potato production in Uganda.- Bean utilization and commercialization in Great Lakes region of Central Africa: The case of smallholder farmers in Burundi.- Enhancing farmers' access to quality planting materials through community-based seed and seedling systems: Experiences from the Western Highlands of Cameroon.- Returns to production of common bean, soybean, and groundnut in Rwanda.- Theme 4- Knowledge-intensive approaches.- Beyond the pilot sites: Can knowledge-intensive technologies diffuse spontaneously?.- Agricultural innovations that increase productivity and generates incomes: Lessons on identification and testing processes in Rwandan agricultural Innovation Platforms.- ISFM adaptation trials: farmer-to farmer facilitation, farmer-led data collection, technology learning and uptake.