selected publications
-
article
- Wheat rust epidemics damage Ethiopian wheat production: A decade of field disease surveillance reveals national-scale trends in past outbreaks. PLOS ONE. 16. 2021
- Sustainable Intensification of Agriculture for Human Prosperity and Global Sustainability. AMBIO. 46:4-17. 2017
- Safeguarding livestock genetic diversity 2017
- First Report of Maize chlorotic mottle virus and Maize Lethal Necrosis on Maize in Ethiopia. Plant Disease. 99:1870-1870. 2015
- Development of a lateral flow device for in-field detection and evaluation of PCR-based diagnostic methods for Xanthomonas campestris pv. musacearum, the causal agent of banana xanthomonas wilt. Plant Pathology. 64:559-567. 2015
- Edible forage production, chemical composition, rumen degradation and gas production characteristics of Calliandra calothyrsus (Messin) provenances in the humid tropics of West Africa. Agroforestry Systems. 39:275-290. 2013
- Beyond milk, meat, and eggs: Role of livestock in food and nutrition security. Animal Frontiers. 3:6-13. 2013
- Communicating complexity: Integrated assessment of trade-offs concerning soil fertility management within African farming systems to support innovation and development. Agricultural Systems. 104:191-203. 2011
- The effect of participation in the Ugandan National Agricultural Advisory Services on willingness to pay for extension services 2011
- Identification of Xanthomonas vasicola (formerly X. campestris pv. musacearum), causative organism of banana xanthomonas wilt, in Tanzania, Kenya and Burundi 2009
- Development of a semiselective medium for isolating Xanthomonas campestris pv. musacearum from insect vectors, infected plant material and soil. Plant Pathology. 56:383-390. 2007
- Fire, ecosystems & people: threats and strategies for global biodiversity conservation 2007
- La extraccion maderera en la Amazonia peruana: diagnostico de practicas e implicaciones para promover el manejo forestal 2007
- Why policy reforms fail to improve logging practices: The role of governance and norms in Peru. Forest Policy and Economics. 8:458-469. 2006
- Effect Of Feeding Increasing Levels Of Tropical Kudzu ( Pueraria Phaseloides ) On Feed Intake, Weight Change And Manure Production Of Weaned N\'dama Cattle Fed A Basal Diet Of Poor Quality Guinea Grass. Bulletin of animal health and production in Africa. 53:187-193. 2005
- Ecological and Socio-economic Factors Affecting Agricultural Intensification in the West African Savannas: Evidence from Northern Nigeria. Journal of Sustainable Agriculture. 27:5-37. 2005
- Effect of Two Cowpea (Vigna unguiculata) Fodder Cultivars as Supplements on Voluntary Intake; Milk Yield and Manure Production of Bunaji Cows. Journal of Agriculture and Rural Development in the Tropics and Subtropics. 106:105-112. 2005
- Could payments for forest carbon contribute to improved tropical forest management. Forest Policy and Economics. 6:153-167. 2004
- Rumen dry matter degradation of tree species by West African dwarf goats. Tropical Science. 44:6-8. 2004
- Capturing the Value of Forest Carbon for Local Livelihoods. World Development. 31:2143-2160. 2003
- Impact of Forage Legume Hays Derived from Intercrop as Dry Season Feed Supplements for Lactating Bunaji Cows and N'dama Beef Cattle. Journal of Applied Animal Research. 24:185-191. 2003
- The persistence of secondary forests on colonist farms in the Brazilian Amazon. Agroforestry Systems. 58:125-135. 2003
- Effect of stocking rates on the performance of N'dama cattle in an alley grazing system. Indian Journal of Animal Sciences. 73:1163-1167. 2003
- CROP RESIDUES FOR MULCH AND FEED IN CROP–LIVESTOCK SYSTEMS: IMPACT ON MAIZE GRAIN YIELD AND SOIL PROPERTIES IN THE WEST AFRICAN HUMID FOREST AND SAVANNA ZONES. Experimental Agriculture. 38:253-264. 2002
- Forage from cropping systems as dry season supplements for sheep. Tropical Grasslands. 36:102-106. 2002
- Forest carbon and local livelihoods: assessment of opportunities and policy recommendations 2002
- A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asia 2001
- Management of Secondary Forests in Colonist Swidden Agriculture in Peru, Brazil and Nicaragua 2001
- Secondary forests in Asia: their diversity, importance, and role in future environmental management 2001
- Soybean technology and the loss of natural vegetation in Brazil and Bolivia 2001
- Harnessing carbon markets for tropical forest conservation: towards a more realistic assessment.. Environmental Conservation. 27:300-311. 2000
- Captando el valor del carbono del bosque para las comunidades locales: oportunidades existentes en el mecanismo de dessarollo limpio del protocolo Kioto 2000
- Definir l'impact du carbone forestier sur les moyens de subsistance des populations locales: possibilites offertes par le mecanisme pour un developpment propre du protocole de Kyoto 2000
- Promoting positive local livelihood impacts through land use, land use change and forestry projects under the clean development mechanism 2000
- Land Use Change in Soybean Production Systems in the Brazilian Savanna: The Role of Policy and Market Conditions. Journal of Sustainable Agriculture. 15:95-117. 1999
- Dynamics of secondary forests in slash-and-burn farming: interactions among land use types in the Peruvian Amazon. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 76:85-98. 1999
- Groundnut (Arachis hypogaea) for food and fodder in crop-livestock systems : forage and seed yields, chemical composition and rumen degradation of leaf and stem fractions of 38 cultivars. Animal Feed Science and Technology. 77:33-47. 1999
- Performance of legume?legume mixtures under small-plot periodic grazing 1999
- Field infestation of pigeonpea (Cajanus cajan (L.) Millsp.) by Callosobruchus chinensis (L.) in Uganda. Journal of Stored Products Research. 34:207-216. 1998
- Chemical composition, rumen degradation, and gas production characteristics of some multipurpose fodder trees and shrubs during wet and dry seasons in the humid tropics. Animal Feed Science and Technology. 72:81-96. 1998
- Dynamics of the agricultural frontier in the Amazon and savannas of Brazil: analyzing the impact of policy and technology. Environmental Modeling & Assessment. 3:31-46. 1998
- Are joint implementation and the clean development mechanism opportunities for forest sustainable management through carbon sequestration projects? 1998
- Variations in root and foliage yields and quality among green mite-resistant cassava clones. Tropical Agriculture. 75:72-76. 1998
- Integrated crop-livestock systems in sub-Saharan Africa: an option or an imperative?:. Outlook on Agriculture. 26:237-246. 1997
- Seasonal dynamics in dry matter degradation of browse in cattle, sheep and goats. Small Ruminant Research. 25:129-140. 1997
- Nutritional and economic benefits of leucaena and gliricidia as feed supplements for small ruminants in humid West Africa. The research reports. 29:35-47. 1997
- Bosque secundarios como recurso para el desarrollo rural y la conservación en los trópicos de América Latina = Secondary forests resource for the rural development and the environmental conservation in the tropics of Latin America 1997
- System dynamics and the definition of research domains for the northern Guinea savanna of West Africa. Agriculture, Ecosystems & Environment. 57:133-148. 1996
- Adoption of resource management technologies : lessons from the Brazilian savanna 1996
- Feed value of multipurpose fodder trees and shrubs in West Africa: edible forage production and nutritive value of Millettia thonningii and Albizia lebbeck. Agroforestry Systems. 33:41-50. 1996
- Intensification of land use and the evolution of agricultural systems in the West African Northern Guinea Savanna 1996
- Macrocharacterization of agricultural systems in Central Africa; an overview: RCMP Research monograph, No. 22 1996
- Studies on multipurpose fodder trees and shrubs in West Africa: Variation in determinants of forage quality in Albizia and Paraserianthes species. Agroforestry Systems. 33:29-39. 1996
- System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa 1996
- Rumen degradation in sheep, goats and cattle and voluntary intake by sheep of four browse species. Agroforestry Systems. 32:277-286. 1995
- Voluntary intake by sheep and goats of Gliricidia sepium fed in three states and at three levels of supplementation to a basal diet of Panicum maximum. Agroforestry Systems. 32:287-295. 1995
- Caracterisation socio-economique des environnments et des technologies: Guide de recherche de l'Iita, No. 50 1995
- SUBJECTIVE VERSUS OBJECTIVE YIELD DISTRIBUTIONS AS MEASURES OF PRODUCTION RISK. American Journal of Agricultural Economics. 77:152-161. 1995
- The role of technology in agricultural intensification: the evolution of maize production in the northern Guinea savanna of Nigeria 1994
- Representativeness of farmers and sites in on-farm trials 1991
- Risk and fertilizer use on rainfed rice in Bicol, Philippines 1983
- The effect of the new rice technology on family labor utilization in Laguna 1979
-
document
- Impact of climate change on African agriculture: focus on pests and diseases 2015
- Challenges for the improvement of seed systems for vegetatively propagated crops in Eastern Africa 2013
- Plant Pathology Activities Supported by CIALCA 2008
- Development of a semi-selective medium for isolating Xanthomonas camprestris pv. musacearum from insect vectors, infected plant material and soil 2007
- Illegal logging, collusive corruption and fragmented governments in Kalimantan, Indonesia 2007
- El manejo forestal en la Amazonia Baja del Peru: diagnostico e implicaciones para la adopcion de buenas practicas 2006
- Illegal logging, collusive corruption and fragmented governments in Kalimantan, Indonesia 2003
- Bosques secundarios y manejo integrado de recursos en la agricultura migratoria por colonos en Latinoamérica 2002
- Can forest carbon projects improve rural livelihoods?: analysis of the Noel Kempff Mercado Climate Action Project, Bolivia 2002
- Forests and the Kyoto protocol: implications for Asia’s forestry agenda 2002
- Agricultural intensification and efficiency in the West African savannas: evidence from northern Nigeria 2001
- Resultados do estudo socioeconomico da agricultura familiar 2001
- Tropical secondary forests in Asia: introduction and synthesis 2001
- Cobertura florestal secundaria em pequenas propriedades rurais na Amazonia: implicacoes para a agricultura de corte e queima 2000
- Economic analysis of crop-livestock integration in the northern Guinea savannah of Nigeria 2000
- Harnessing carbon markets for tropical forest conservation: towards a more realistic assessment 2000
- Macrocharacterization of agricultural systems in West Africa; an overview: RCMP Research monograph, No. 21 1999
- Crop?livestock integration along the gradient of resource-use intensification in the northern Guinea savanna of Nigeria 1998
- Fostering sustainable increases in maize productivity in Nigeria 1997
- Integrated crop-livestock systems in sub-Saharan Africa: an option or imperative? 1997
- Socioeconomic characterization of environments and technologies: IITA research guide, No. 50 1995
- Systems dynamics and heterogeneity: the key to unlocking West Africa`s potential? the case of maize in Nigeria 1995
- New challenge confronting social scientists in IARCs with ecoregional mandates 1994
- The forest margins and savannas of Latin America : a unique opportunity for contributing to natural resource management 1994
- The role of technology in agricultural intensification: the evolution of maize production in the northern Guinea savannah of Nigeria 1993
- Socioeconomic characterization of environments and technologies in humid and sub-humid regions of West and Central Africa: RCMP Research monograph, No. 10 1992
- Framework for orientation of Striga research at IITA 1991
- Economic thresholds for insecticide application to rice: profitability and risk analysis to Filipino farmers 1989
- Moral Hazard, Costly Supervision, And Agricultural Mechanization 1986
- Production risk and optimal fertilizer rates: an application of the random coefficient model 1985
- Allocative efficiency in N-fertilizer applied to rice 1983