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Agroforestry
Extension
Resources
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 A115 An Introduction to Agroforestry
Nair, P.K.R, 1993, Softcover, ISBN: 0-7923-2135-9 520pp
A good basic reference textbook. The publisher's blurb states that: "This is a college-level textbook
which summarizes the state of
knowledge (as in 1993) in the field of agroforestry. The book is organized into 25 chapters in
six sections and reviews developments in
agroforestry and describes the accomplishments in the application of biophysical (plant and soil related)
and socioeconomic sciences to
agroforestry. Although the major focus of the book is on the tropics the developments in temperate zone
agroforestry are also discussed.
This text is recommended for students, teachers, and researchers in agroforestry, farming systems, and
tropical land use."
CONTENTS:
Preface
Aknowledgements
Section I. INTRODUCTION
1. The history of agroforestry
References
2. Definition and concepts of agroforestry Community forestry, farm forestry, and social forestry
References
Section II. AGROFORESTRY SYSTEMS AND PRACTICES
3. Classification of agroforestry systems
3.1. Structural classification of systems
3.2. Classification based on function of systems
3.3. Ecological classification
3.4. Classification based on socioeconomic criteria
3.5. A framework for classification
3.6. Agroforestry systems and practices
References
4. Distribution of agroforestry systems in the tropics
4.1. The tropical environment
4.2. Distribution of tropical agroforestry systems
4.3. Agroecological spread of tropical agroforestry systems
References
5. Shifting cultivation and improved fallows
5.1. System overview
5.2. Soil management and shifting cultivation
5.3. The evolution of planted fallows
5.4. Improved tree fallows
References
6. Taungya
6.1. Soil management
6.2. Alternatives and improvements to Taungya
References
7. Homegardens
7.1. Types of homegardens
7.2. Structure of homegardens
7.3. Food production from homegardens
7.4. Research on homegarden systems
References
8. Plantation crop combinations
8.1. Integrated land-use systems with plantation crops
8.2. Smallholder systems with coconuts: a notable example of integrated land-use
8.3. Crop combinations with other plantation crops
8.4. Multistory tree gardens
References
9. Alley cropping
9.1. Nutrient yield
9.2. Effect on soil properties and soil conservation
9.3. Effect on crop yields
9.4. Future directions
References
10. Other agroforestry systems and practices
10.1. Tree fodder and silvopastoral systems
10.2. Agroforestry for firewood production
10.3. Intercropping under scattered or regularly planted trees
10.4. Agroforestry for reclamation of problem soils
10.5. Underexploited trees in indigenous agroforestry systems
10.6. Buffer-zone agroforestry
References
Section III. AGROFORESTRY SPECIES
11. General principles of plant productivity
11.1. Photosynthesis
11.2. Plant productivity
11.3. Manipulation of photosynthesis in agroforestry
References
12. Agroforestry species: the multipurpose trees
12.1. Multipurpose trees (MPTs)
12.2. Herbaceous species
References
Appendix: short descriptions of multipurpose trees and shrubs (MPTs) commonly used in agroforestry
systems
13. Component interactions
13.1. Positive (production-enhancing) interactions
13.2. Negative (production-decreasing) interactions
13.3. Component management
References
Section IV. SOIL PRODUCTIVITY AND PROTECTION
14. Tropical soils
14.1. Soil classification: the U.S. soil taxonomy and the FAO legend
14.2. Tropical soils
References
15. Effects of trees on soils
15.1. Beneficial effects
15.2. Adverse effects
References
16. Nutrient cycling and soil organic matter
16.1. Nutrient cycling in tropical forest ecosystems
16.2. Nutrient cycling in agroforestry systems
16.3. Improving nutrient cycling efficiency through management
16.4. Soil organic matter
16.5. Litter quality and decomposition
16.6. Trees and biomass production
16.7. Role of roots
16.8. Conclusions
References
17. Nitrogen fixation
17.1. Rhizobial plants
17.2. Actinorhizal plants
17.3. Estimation of nitrogen fixation
17.4. Technology for exploiting nitrogen-fixing trees
in agroforestry
17.5. Future trends in N2 fixation research in agroforestry
References
18. Soil conservation
18.1. Changing concepts and trends
18.2. Measurement of soil erosion
18.3. Effect of agroforestry on erosion factors
18.4. Erosion rates under agroforestry
18.5. Trees as windbreaks and shelterbelts
18.6. Erosion control through agroforestry in practice
References
Section V. DESIGN AND EVALUATION OF AGROFORESTRY SYST1
19. The diagnosis and design (D & D) methodology
19.1. The genesis of D&D *
19.2. Concepts and procedures of D & D
19.3. Key features of D & D
19.4. Variable scale D&D procedures
19.5. Comparison of D & D with similar methodologies
References
20. Field experiments in agroforestry
20.1. Agroforestry research: different perspectives
20.2. Principles of field experimentation
20.3. Special considerations in agroforestry experiments
20.4. The current state of agroforestry field experimentation
20.5. Prognosis of the directions in agroforestry research
References
21. On-farm research
21.1. General considerations
21.2. Modified stability analysis of on-farm trial data
21.3. On-farm research in agroforestry
21.4. Methodologies for on-farm research in agroforestry
21.5. Conclusions
References
22. Economic considerations
22.1. General principles of economic analysis
22.2. Financial and economic analyses
22.3. Project analysis
22.4. Past and recent economic studies of agroforestry
22.5. Conclusions
References
23. Sociocultural considerations
23.1. Agro forestry as a social science
23.2. Important sociocultural factors in agroforestry
23.3. Farmer's perception of tree planting
23.4. Government policies and agroforestry implementation
23.5. Social acceptability of agroforestry
References
24. Evaluation of agroforestry systems
24.1. Productivity evaluation
24.2. Sustainability evaluation
24.3. Adoptability evaluation
24.4. Towards development of a methodology for evaluating
agroforestry systems
References
Section VI. AGROFORESTRY IN THE TEMPERATE ZONE
25. Agroforestry in the temperate zone
25.1. Characteristics of temperate-zone agroforestry
25.2. Historical perspective
25.3. Current temperate-zone agroforestry systems
25.4. Opportunities and constraints
References
Glossary
List of acronyms and abbreviations
SI units and conversion factors
Subject index
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