Preface. I: Introduction. 1. The History of Agroforestry. 2. Definition and Concepts of Agroforestry. II: Agroforestry Systems and Practices. 3. Classification of Agroforestry Systems. 4. Distribution of Agroforestry Systems in the Tropics. 5. Shifting Cultivation and Improved Fallows. 6. Taungya. 7. Homegardens. 8. Plantation Crop Combinations. 9. Alley Cropping. 10. Other Agroforestry Systems and Practices. III: Agroforestry Species. 11. General Principles of Plant Productivity. 12. Agroforestry Species: the Multipurpose Trees. 13. Component Interactions. IV: Soil Productivity and Protection. 14. Tropical Soils. 15. Effects of Trees on Soils. 16. Nutrient Cycling and Soil Organic Matter. 17. Nitrogen Fixation. 18. Soil Conservation. V: Design and Evaluation of Agroforestry Systems. 19. The Diagnosis and Design (D&D) Methodology. 20. Field Experiments in Agroforestry. 21. On-Farm Research. 22. Economic Considerations. 23. Sociocultural Considerations. 24. Evaluation of Agroforestry Systems. 25. Agroforestry in the Temperate Zone. Glossary. SI Units and Conversion Factors. List of Acronyms and Abbreviations. Subject Index.

An introduction to agroforestry

Discussions of economic and agricultural development in Africa have focused heavily in recent years on structural adjustment, i.e., basic policy changes aimed at allowing international and domestic markets to play a greater role in coordinating national economic activities. Often these structural adjustments and accompanying policies aimed at improving economic performance have been based on several implicit assumptions about how African food systems operate. Yet, for many countries little empirical information has been available to test these assumptions. Hence, designing policies too often becomes an exercise in planning without facts. This paper argues that not only is there a need to base food security and structural adjustment policies more firmly on empirical information, but that the process by which the information is obtained is as important as the information itself. Agricultural economists and other social scientists can, and increasingly should, design policy research in Africa in ways that simultaneously increase effective demand for empirical information as an input into the ongoing policy process and augment African capacity continually to inform policy deliberations. We illustrate the payoffs to such an approach by drawing on selected experience in several African countries (Weber).

/pdf/informing-food-security-decisions-in-africa-empirical-3jqbam8lel.pdf

Informing Food Security Decisions in Africa: Empirical Analysis and Policy Dialogue

Stages and determinants of fertilizer use in semiarid African agriculture: the Niger experience

Dynamic Programming: Applications to Agriculture and Natural Resources

The improvement of the welfare of inhabitants of arid and semi-arid lands, either through the enhancement of existing livelihoods or the promotion of alternative ones, and their potential constraints are discussed. Alternative livelihoods are discussed under regenerative and extractive themes with respect to environmental stability. Regenerative (i.e., non-extractive) livelihoods include activities like apiculture, poultry keeping, pisciculture, silkworm production, drought tolerant cash cropping, horticulture, community wildlife tourism, processing of livestock and crop products, agro-forestry for tree products, and micro-enterprises in the informal sector. Examples of livelihoods that are extractive or potentially so include timber production, woodcarving, basketry, brick making, sand scooping, and charcoal making. Suggestions to improve these livelihoods in a sustainable manner are offered.

Rural livelihoods in the arid and semi-arid environments of Kenya: Sustainable alternatives and challenges

Modelling stochastic crop response to fertilisation when carry-over matters

Transfer of sustainable technology in dryland agriculture: lessons from the Sahel in the 1980's.

Cereal technology development in the sahel: Burkina Faso and Niger

Agricultural development principles

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Modelling stochastic crop response to fertilisation when carry-over matters

Transfer of sustainable technology in dryland agriculture: lessons from the Sahel in the 1980's.

Cereal technology development in the sahel: Burkina Faso and Niger

Agricultural development principles