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Title: Irrigation Fundamentals From the TABLE OF CONTENTS |
Much of the alluvial lands cannot be made productive without prior development of water resources through flood control, drainage, and irrigation. The production of electricity through hydropower and the production of alcohol fuel from irrigated crops, as has been practiced for many years in Brazil, can slow the increase in carbon emissions. Such diverse developments are typically not separable; rather, they must be considered as integral parts of a comprehensive development plan. The conservation of natural resources and increasing productivity of irrigated lands are also strategic necessities. Much of the current technology is highly transferable and crop yields can be significantly increased on lands already under irrigation.
The authors have worked in many countries in connection with resource inventories, teaching, and the planning, development and use of irrigation as a tool for increasing production and providing employment. They have written extensively and have been honored for their achievements. They have considerable experience with everything from primitive low-technology irrigation developments to highly developed irrigation in the USA and in dozens of countries around the world. Both of the authors have dedicated their careers to teaching, research, and consulting in agricultural irrigation and water resources development and planning. It is their hope and expectation that this book will provide incentives for investigating and documenting land and water resources, improving development, increasing crop yields, conserving resources, and improving the environment. ISBN -1-887201-10-6. Publ. WRP 1998.
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Chapt. 1 - INTRODUCTION: Irrigation Fundamentals: - - A Definition of Irrigation - - Statistical Perspectives of Agricultural Irrigation Chapt. 2 - FACTORS INFLUENCING CROP PRODUCTION: - - Introduction - - Temperature, Radiation, and Evaporative Potential - - Climate Change - - Soil Fertility and Fertilizers - - Water Availability and Distribution - - Soil Aeration and Drainage - - Plant Density, Spacing and Leaf Area Index - - Crop Variety Chapt. 3 - AGRICULTURAL SOILS: - - Introduction - - Soil Texture and Structure - - Soil Classification and Evaluation - - Bureau of Reclamation Land Classification - - Soil Age and Topography - - Soil Chemistry - - Infiltration Rates - - Soil-Water Relationships - - Equations for Soil Water Content - - Soil Water Potential - - Measuring Soil Water Content Chapt. 4 - EVALUATING IRRIGATION RESOURCES: - - Introduction - - Climate - - Hydrology - - Human and Other Factors - - Integrated Development Chapt. 5 - IRRIGATION METHODS: - - Introduction - - Graded Border Irrigation - - Basin Irrigation - - Contour Levees - - Furrow Irrigation - - Sub-Irrigation - - Sprinkle Irrigation - - Drip or Trickle Irrigation - - Selecting an Irrigation Method - - Land Grading and Leveling - - Laser-Leveling Equipment and Practices - - Computing Diagonal Slopes - - Irrigation System Evaluation Chapt. 6 - CROP WATER REQUIREMENTS: - - Introduction - - Direct Methods - - Indirect Methods - - Potential Evaporation - - Reference Evapotranspiration - - Extraterrestrial Solar Radiation - - Irrigation Requirements - - Crop Coefficients Chapt. 7 - IRRIGATION SCHEDULING: - - Introduction - - Allowable Water Depletion - - Monitoring Soil Water - - Scheduling Irrigations - - Rice Irrigation |
Chapt. 8 - DRAINAGE: - - Introduction - - Benefits of Drainage - - Surface Drainage - - Subsurface Drainage - - Spacing of Drains - - Types of Drains - - Solving Salt Problems Chapt. 9 - FLOW MEASUREMENT: - - Introduction - - Fundamental Concepts - - Flow Measurement Accuracy - - Simple Open-Channel Measurement Methods - - Weirs - - Sharp-Crested Weir Discharge Equations - - Flumes - - Broad-Crested Weirs - - Calibration of Canal Gates - - Commercial Flow Meters - - Current Metering Chapt. 10 - POLICIES AND MANAGEMENT: - - Introduction - - Water Management - - Selecting a Crop Mix - - Irrigated Farm Size - - Watershed Management - - Organization and Management - - Groundwater Wells - - Water Law and Water Rights - - Making Irrigation Profitable Appendix A - WORLD WATER AND CLIMATE ATLAS FOR AGRICULTURE: - - Introduction - - Presentation - - Agrotechnology Transfer and Yield Modeling - - Rainfed Agriculture and the Use of Fertilizers - - Irrigation Development Planning - - Other Uses and Sources of Information Appendix B - GLOSSARY Appendix C - UNITS AND PHYSICAL CONSTANTS Appendix D - LIST OF SYMBOLS REFERENCES BIBLIOGRAPHY SUBJECT INDEX |
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