Includes bibliographical references (p. 297-329).

Machine generated contents note: 1. The Challenge of Stimulating Adoption of Improved Natural Resource Management Practices in African Agriculture 1 -- C.B. Barrett, F. Place, A. Aboud and D.R. Brown -- PART I: FARMERS' OBJECTIVES AND LEARNING PROCESSES -- 2. Social Capital and Social Learning in the Process of Natural Resource Management 23 -- J. Pretty and L. Buck -- 3. The Limits of Knowledge: Securing Rural Livelihoods in a Situation of Resource Scarcity 35 -- P.E. Peters -- 4. Farmers' Use and Adaptation of Alley Farming in Nigeria 51 -- A.A. Adesina andJ. Chianu -- 5. Farmers as Co-developers and Adopters of Green-manure Cover Crops in West and Central Africa 65 -- G. Tarawali, B. Douthwaite, N.C. de Haan and S.A. Tarawali -- PART II: WILLINGNESS AND CAPACITY TO MAKE LONG-TERM INVESTMENTS -- 6. Sustainable Management of Private and Communal Lands in Northern Ethiopia 77 -- B. Gebremedhin and S.M. Swinton -- 7. Poverty and Land Degradation: Peasants' Willingness to Pay to Sustain Land Productivity 91 -- S.T. Holden and B. Shiferaw -- 8. Input Use and Conservation Investments among Farm Households in Rwanda: Patterns and Determinants 103 -- D.C. Clay, V. Kelly, E. Mpyisi and T. Reardon -- 9. Agroforestry Adoption Decisions, Structural Adjustment and Gender in Africa 115 -- C.H. Gladwin, J.S. Peterson, D. Phiri and R. Uttaro -- PART III: ECONOMIC INCENTIVES AND THE IMPORTANCE OF THE RESOURCE BASE -- 10. Liquidity and Soil Management: Evidence from Madagascar and Niger 129 -- TI Wyatt -- 11. Smallholder Farmers' Use of Integrated Nutrient-management Strategies: Patterns and Possibilities in Machakos District of Eastern Kenya 143 -- H.A. Freeman and R. Coe -- 12. Agroforestry for Soil-fertility Replenishment: Evidence on Adoption Processes in Kenya and Zambia 155 -- F. Place, S. Franzel, J. DeWolf, R. Rommelse, F. Kwesiga, A. Niang and -- B. Jama -- 13. Evaluating Adoption of New Crop-Livestock-Soil-management Technologies using Georeferenced Village-level Data: the Case of Cowpea in the Dry Savannahs of West Africa 169 -- P. Kristjanson, I Okike, S.A. Tarawali, R. Kruska, V.M. Manyong and -- B.B. Singh -- 14. Contradictions in Agricultural Intensification and Improved Natural Resource Management: Issues in the Fianarantsoa Forest Corridor of Madagascar 181 -- M.S. Freudenberger and K.S. Freudenberger -- PART IV: THE AGROECOLOGICAL, INSTITUTIONAL AND POLICY CONTEXT -- 15. Synergies between Natural Resource Management Practices and Fertilizer Technologies: Lessons from Mali 193 -- V. Kelly, M.L. Sylla, M. Galiba and D. Weight -- 16. Soil and Water Conservation in Semi-arid Tanzania: Government Policy and Farmers' Practices 205 -- N. Hatibu, E.A. Lazaro, H.F. Mahoo and F.B.R. Rwehumbiza -- 17. Initiatives to Encourage Farmer Adoption of Soil-fertility Technologies for Maize-based Cropping Systems in Southern Africa 219 -- M. Mekuria and S.R. Waddington -- 18. A Bio-economic Model of Integrated Crop-Livestock Farming Systems: the Case of the Ginchi Watershed in Ethiopia 235 -- B.N. Okumu, M.A. Jabbar, D. Colman and N. Russell -- 19. Nutrient Cycling in Integrated Plant-Animal Systems: Implications for Animal Management Strategies in Smallholder Farming Systems 251 -- L.R. Ndlovu and P.H. Mugabe -- 20. Natural Resource Technologies for Semi-arid Regions of Sub-Saharan Africa 261 -- B.I. Shapiro andJ.H. Sanders -- PART V: TOWARDS IMPROVED NATURAL RESOURCE MANAGEMENT IN AFRICAN AGRICULTURE -- 21. Lessons for Natural Resource Management Technology Adoption and Research 275 -- F. Place, B.M. Swallow, J. Wangila and C.B. Barrett -- 22. Towards Improved Natural Resource Management in African Agriculture 287 -- C.B. Barrett, J. Lynam, F. Place, T. Reardon and A.A. Aboud.