selected publications
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article
- Developing sustainable farmer-to-farmer extension: experiences from the volunteer farmer–trainer approach in Kenya. International Journal of Agricultural Sustainability. 17:401-412. 2019
- Stakeholder planning of the institutionalization of the volunteer farmer-trainer approach in dairy producer organizations in Kenya: key steps and supporting mechanisms*. International Journal of Agricultural Sustainability. 17:18-33. 2019
- Farmer-To-Farmer Extension: A Low-Cost Approach for Promoting Climate-Smart Agriculture 2019
- Constraints to the adoption of fodder tree technology in Malawi. Sustainability Science. 12:641-656. 2017
- Framework to assess performance and impact of pluralistic agricultural extension systems: The best-fit framework revisited 2016
- Volunteer farmer-trainer motivations in East Africa: practical implications for enhancing farmer-to-farmer extension. International Journal of Agricultural Sustainability. 14:339-356. 2016
- Farmer-to-farmer extension 2015
- Note 7: Farmer-to-farmer extension. Lindau, Switzerland 2015
- Consumer preferences for Uapaca kirkiana fruits in Zambia. Forests, trees and livelihoods. 23:248-260. 2014
- Assessing Market Potential of Agroforestry Tree Seedlings in Western Kenya. Small-scale Forestry. 13:281-298. 2014
- Voluntarism as an investment in human, social and financial capital: evidence from a farmer-to-farmer extension program in Kenya. Agriculture and Human Values. 31:231-243. 2014
- Collective action to improve market access for smallholder producers of agroforestry products: key lessons learned with insights from Cameroon's experience. Current Opinion in Environmental Sustainability. 6:68-72. 2014
- Gender, agroforestry and food security in Africa. Current Opinion in Environmental Sustainability. 6:104-109. 2014
- Agroforestry: Fodder Trees 2014
- Can organic and resource-conserving agriculture improve livelihoods? A synthesis. International Journal of Agricultural Sustainability. 11:193-215. 2013
- The'model farmer' extension approach revisited: are expert farmers effective innovators and disseminators? 2013
- Determinants of Farmers' Tree Planting Behaviour in the North West Region of Cameroon: the Case of Prunus africana. International Forestry Review. 14:265-274. 2012
- Formalisation of local herbal product markets has potential to stimulate cultivation of medicinal plants by smallholder farmers in Kenya. Forests, trees and livelihoods. 21:114-127. 2012
- Producers' motivation for collective action for kola production and marketing in Cameroon. Journal of Agriculture and Rural Development in the Tropics and Subtropics. 113:43-50. 2012
- Disseminating Improved Practices: Are Volunteer Farmer Trainers Effective?. The Journal of Agricultural Education and Extension. 18:525-540. 2012
- Gender and Agroforestry in Africa: Who Benefits? The African Perspective 2012
- Gender and agroforestry in Africa: a review of women's participation. Agroforestry Systems. 84:35-58. 2012
- Research, development and scaling-up the adoption of fodder shrub innovations in East Africa. International Journal of Agricultural Sustainability. 9:100-109. 2011
- The farmer trainers approach in technology dissemination in Uganda: Farmer trainers? and trainees? perspectives 2011
- Alleviating feed shortages in agro-pastoral systems of Kenya 2009
- Collaborative monitoring and evaluation: Assessing the uptake of improved fallows and biomass transfer in western Kenya. Experimental Agriculture. 44:113-127. 2008
- Managing fodder trees as a solution to human-livestock food conflicts and their contribution to income generation for smallholder farmers in southern Africa. Natural Resources Forum. 31:286-296. 2007
- Adopters, testers or pseudo-adopters? Dynamics of the use of improved tree fallows by farmers in western Kenya. Agricultural Systems. 94:509-519. 2007
- The production and marketing of leaf meal from fodder shrubs in Tanga, Tanzania: a pro-poor enterprise for improving livestock productivity 2007
- The uptake of fodder shrubs among smallholders in East Africa: key elements that facilitate widespread adoption 2007
- Trees and cows: an odd combination, but a winning formula for African dairy farmers 2007
- Sharing seed and knowledge: farmer to farmer dissemination of agroforestry technologies in western Kenya. Agroforestry Systems. 68:167-179. 2006
- The effects of cultivation site on forage quality of Calliandra calothyrsus var. Patulul. Agroforestry Systems. 68:209-220. 2006
- Technique de production maraîchère de feuilles de baobab : potentiel d'adoption. Bois Et Forets Des Tropiques. 287:21-34. 2006
- Scaling up the impact of agroforestry: lessons from three sites in Africa and Asia 2006
- Improved tree fallows in smallholder maize production in Zambia: do initial testers adopt the technology?. Agroforestry Systems. 64:225-236. 2005
- Adoption of tropical legume technology around the world: analysis of success 2005
- Estimating the numbers of farmers planting fodder shrubs in East Africa 2005
- Improved fallows in Eastern Zambia, history, farmer practice and impacts 2005
- Scaling up the impact of agroforestry: Lessons from three sites in Africa and Asia. Agroforestry Systems. 61:329-344. 2004
- Trees of prosperity: Agroforestry, markets and the African smallholder. Agroforestry Systems. 61:345-355. 2004
- Building on successes in African Agriculture: strategies for sustainable natural resource management 2004
- Who is using the new technology? The association of wealth status and gender with the planting of improved tree fallows in Eastern Province, Zambia. Agricultural Systems. 79:131-144. 2004
- Adoption of improved fallow technology for soil fertility management in Zambia: Empirical studies and emerging issues. Agroforestry Systems. 59:317-326. 2003
- Claveria Landcare Association brochure 2003
- Farmer experiences in the production and utilisation of fodder trees in Zimbabwe: constraints and opportunities for increased adoption. Tropical Grasslands. 37:279-283. 2003
- On-farm evaluation of fodder trees and shrubs preferred by farmers in central Kenya. Experimental Agriculture. 39:423-440. 2003
- The adoption and dissemination of fodder shrubs in central Kenya 2003
- The adoption and scaling up of the use of fodder shrubs in central Kenya 2003
- Assessing research impact on poverty: the importance of farmers' perspectives. Agricultural Systems. 72:73-92. 2002
- Assessing adoption potential: lessons learned and future directions 2002
- Participatory on-farm technology testing: the suitability of different types of trials for different objectives 2002
- Assessing the adoption potential of agroforestry practices in sub-Saharan Africa 2001
- Farmers' preferences and use of local fodder trees and shrubs in Kenya. Agroforestry Systems. 52:239-252. 2001
- Assessing the adoption potential of improved fallows in eastern Zambia 1999
- Sesbania sesban improved fallows in eastern Zambia: Their inception, development and farmer enthusiasm. Agroforestry Systems. 47:49-66. 1999
- Uses, management and economic potential of Irvingia gabonensis in the humid lowlands of Cameroon. Forest Ecology and Management. 113:1-9. 1999
- Uses, management, and economic potential of Dacryodes edulis (Burseraceae) in the humid lowlands of Cameroon. Economic Botany. 53:292-301. 1999
- Adoption potential of hedgerow intercropping in maize-based cropping systems in the highlands of western Kenya .2. Economic and farmers' evaluation. Experimental Agriculture. 33:211-223. 1997
- The economics of short rotation improved fallows: Evidence from areas of high population density in western Kenya. Agricultural Systems. 55:99-121. 1997
- The agronomic and economic performance of banana, bean and tree intercropping in the highlands of Burundi: an interim assessment 1995
- La funcion de los economistas en los institutos nacionales de investigacion agricola 1993
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dataset
- Replication Data for: Assessing the Effectiveness of the Volunteer Farmer Trainer Approach in Dissemination of Livestock Feed Technologies in Kenya vis-à-vis other Information Sources 2017
- Replication Data for: Assessment of Volunteer Farmer Trainer vis a vis other Information Sources in dissemination of livestock feed technologies: Perspectives from members of dairy producer organizations in Uganda 2017
- Replication data for: The 'model farmer' extension approach revisited: Are expert farmers effective innovators and disseminators? 2016
- Replication data for: Assessing market potential of Agroforestry tree seedlings in Western Kenya 2015
- Impact of fodder shrubs in East Africa 2014
- The Status of Fruit Production, Processing and Marketing in Malawi 2013
- Replication Data for: Effectiveness of Grassroots Organisations in the Dissemination of Agroforestry Innovations 2012
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document
- Rural Advisory Services: what works? A synthesis on innovative approaches for benefiting and empowering farmers 2015
- What works? A synthesis of ICRAFâ??s research on innovative approaches for benefiting and empowering farmers 2015
- The emerging livestock feed markets in East Africa: A solution to feed shortages? 2011
- Setting priorities among indigenous fruit tree species in Africa: examples from Southern, Eastern, and Western Africa regions 2008
- Plan for assessing the impact of fodder shrub extension in East Africa 2006
- Fodder shrubs for improving incomes of dairy farmers in the East African highlands 2004
- Improved fallows in Kenya, history, farmer practice, and impacts 2004
- Trees on the farm: assessing the adoption potential of agroforestry practices in Africa 2002
- Scaling up the benefits of agroforestry research: Lessons learned and research challenges 2001
- Population Dynamics: the 20th symposium of the British Ecological Society London 1978 1979
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review
- Guides for value chain development: a comparative review. JOURNAL OF AGRIBUSINESS IN DEVELOPING AND EMERGING ECONOMIES. 2-23. 2015
- Fodder trees for improving livestock productivity and smallholder livelihoods in Africa. Current Opinion in Environmental Sustainability. 98-103. 2014
- Improving Livelihoods and Nutrition in Sub-Saharan Africa through the Promotion of Indigenous and Exotic Fruit Production in Smallholders' Agroforestry Systems: A Review. International Forestry Review. 338-354. 2011
- Improving household incomes and reducing deforestation using rotational woodlots in Tabora district, Tanzania. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 229-239. 2002
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working paper