Includes bibliographical references (p. 297-329).

Machine generated contents note: 1. The Challenge of Stimulating Ado ption of Improved Natural Resource Management Practices in African Agri culture 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 Liv elihoods in a Situation of Resource Scarcity 35. -- P.E. Peters. -- 4. Farmers' Use and Adaptation of Alley Farming in Nigeria 51. -- A.A. Ade sina andJ. Chianu. -- 5. Farmers as Co-developers and Adopters of Green -manure Cover Crops in West and Central Africa 65. -- G. Tarawali, B. D outhwaite, 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 a nd S.M. Swinton -- 7. Poverty and Land Degradation: Peasants' Willingne ss to Pay to Sustain Land Productivity 91 -- S.T. Holden and B. Shifera w -- 8. Input Use and Conservation Investments among Farm Households in Rwanda: Patterns and Determinants 103 -- D.C. Clay, V. Kelly, E. Mpyis i and T. Reardon -- 9. Agroforestry Adoption Decisions, Structural Adju stment and Gender in Africa 115 -- C.H. Gladwin, J.S. Peterson, D. Phir i and R. Uttaro -- PART III: ECONOMIC INCENTIVES AND THE IMPORTANCE OF THE RESOURCE BASE -- 10. Liquidity and Soil Management: Evidence from M adagascar and Niger 129 -- TI Wyatt -- 11. Smallholder Farmers' Use of Integrated Nutrient-management Strategies: Patterns and Possibilities i n 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 Adop tion of New Crop-Livestock-Soil-management Technologies using Georefere nced Village-level Data: the Case of Cowpea in the Dry Savannahs of Wes t Africa 169 -- P. Kristjanson, I Okike, S.A. Tarawali, R. Kruska, V.M. Manyong and -- B.B. Singh -- 14. Contradictions in Agricultural Intens ification and Improved Natural Resource Management: Issues in the Fiana rantsoa Forest Corridor of Madagascar 181 -- M.S. Freudenberger and K.S . Freudenberger -- PART IV: THE AGROECOLOGICAL, INSTITUTIONAL AND POLIC Y CONTEXT -- 15. Synergies between Natural Resource Management Practice s and Fertilizer Technologies: Lessons from Mali 193 -- V. Kelly, M.L. Sylla, M. Galiba and D. Weight -- 16. Soil and Water Conservation in Se mi-arid Tanzania: Government Policy and Farmers' Practices 205 -- N. Ha tibu, E.A. Lazaro, H.F. Mahoo and F.B.R. Rwehumbiza -- 17. Initiatives to Encourage Farmer Adoption of Soil-fertility Technologies for Maize-b ased Cropping Systems in Southern Africa 219 -- M. Mekuria and S.R. Wad dington -- 18. A Bio-economic Model of Integrated Crop-Livestock Farmin g Systems: the Case of the Ginchi Watershed in Ethiopia 235 -- B.N. Oku mu, M.A. Jabbar, D. Colman and N. Russell -- 19. Nutrient Cycling in In tegrated Plant-Animal Systems: Implications for Animal Management Strat egies in Smallholder Farming Systems 251 -- L.R. Ndlovu and P.H. Mugabe -- 20. Natural Resource Technologies for Semi-arid Regions of Sub-Saha ran Africa 261 -- B.I. Shapiro andJ.H. Sanders -- PART V: TOWARDS IMPRO VED NATURAL RESOURCE MANAGEMENT IN AFRICAN AGRICULTURE -- 21. Lessons f or Natural Resource Management Technology Adoption and Research 275 -- F. Place, B.M. Swallow, J. Wangila and C.B. Barrett -- 22. Towards Impr oved Natural Resource Management in African Agriculture 287 -- C.B. Bar rett, J. Lynam, F. Place, T. Reardon and A.A. Aboud.