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| Preface | |
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| Introduction to Agroecology | |
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| Studying Agroecosystems | |
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| The History of Agriculture | |
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| Experimentation in Agriculture | |
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| Information Sources in Agricultural Ecology | |
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| Carbon and Energy in the Agroecosystem | |
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| Introduction | |
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| Basic Chemical Processes: Photosynthesis and Respiration | |
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| Carbon | |
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| Energy in Agroecosystems | |
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| Community Ecology | |
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| Above-Ground Food Webs | |
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| Soil Organisms and Soil Biology | |
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| Benefits and Problems of Soil Organisms | |
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| Below-Ground Food Webs | |
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| Interconnection of Food Webs | |
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| Nutrient Cycling and Decomposition | |
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| Essential Nutrients for Plant Growth | |
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| Nitrogen in Agroecosystems | |
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| Macronutrients and Micronutrients in Agroecosystems | |
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| Decomposition | |
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| Physical Factors and the Agroecosystem | |
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| Climate | |
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| Limiting Factors | |
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| Water and the Water Cycle | |
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| Soils and the Soil Environment | |
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| Growth and Dynamics of Populations | |
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| Dynamics of Plant Growth | |
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| Plant Population Dynamics | |
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| Exponential Growth | |
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| Logistic Growth | |
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| Modeling and Forecasting Population Growth | |
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| Niches and Competition | |
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| Ecological Niches | |
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| Plant Competition and Allelopathy | |
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| Migration, Dispersal, and Colonization | |
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| Plant Succession | |
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| Adaptation of Plant Cultivars | |
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| Biodiversity and Ecosystem Health | |
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| Genetic Variation and Agriculture | |
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| Genetic Resistance to Pests and Diseases | |
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| Herbivory and Plant Defense Mechanisms | |
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| Predation and Parasitism | |
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| Interactions | |
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| Predation | |
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| Parasitism | |
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| Biological Control | |
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| Agricultural Pests | |
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| Weeds | |
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| Plant Diseases | |
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| Plant-Parasitic Nematodes | |
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| Insects | |
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| Vertebrates | |
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| Pests of Domestic Animals | |
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| Principles of Pest Management | |
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| Pest Management Strategies | |
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| Tactics and Issues in Pest Management | |
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| Deciding When to Manage Pests | |
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| Ecological Basis for Pest Management | |
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| Multiple Pests | |
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| Examples and Case Studies | |
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| Agriculture in the Landscape | |
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| Diversity in the Agroecosystem and the Landscape | |
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| Agriculture-Environment Interactions | |
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| Agrochemicals and the Environment | |
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| Cropping Systems | |
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| Monoculture versus Polyculture | |
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| Principles of Multiple Cropping Systems | |
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| Examples of Multiple Cropping Systems | |
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| Shifting Cultivation | |
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| Multiple Cropping Systems as an Integrated Farming Method | |
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| Problems with Polycultures | |
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| Conservation of Nutrients | |
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| Conservation Tillage | |
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| Mulches | |
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| Organic Amendments | |
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| Water Conservation and the Politics of Irrigation | |
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| Sources of Fresh Water | |
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| Agricultural Problems Associated with Water | |
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| Irrigation and Water Conservation | |
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| Salinity and Sodicity: The Chemistry of Land in Trouble | |
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| Waterlogging and the Importance of Drainage Systems | |
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| The Politics of Water | |
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| Energy Conservation and Animal Agriculture | |
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| Shortening the Food Chain | |
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| Livestock Production in Industrialized and Developing Nations | |
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| Desertification | |
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| Integrating Animals Into Agroecosystems | |
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| Livestock Production Systems | |
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| Grazing Management Systems | |
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| Political and Socioeconomic Issues of Agroecology | |
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| Agricultural Support Policies | |
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| Agriculture and the Environment | |
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| Social Issues and International Justice | |
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| Human Aggression: Competition, Conflict, and War | |
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| Issues in Tropical Agriculture | |
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| Introduction | |
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| The Difficulties of Managing Tropical Agroecosystems | |
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| Tropical Crops | |
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| Tropical Cropping Systems That Work | |
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| Human Population Growth | |
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| Population Growth--Past, Present, and Future | |
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| Pressures From Population Growth | |
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| Feeding a Growing Population | |
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| Sustainable Agriculture | |
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| Organizations Related to Agricultural Ecology | |
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| Scientific Names of Some Common Crop Plants | |
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| Conversions Between English and Metric Systems of Measurement | |
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| Glossary of Common Terms | |
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| Index | |