 |  | Irrigation Reference Manual (Peace Corps, 1994, 485 p.) |
 |  | (introduction...) |
|  | Chapter 1 - Introduction |
| | 1.1 The role and purpose of irrigation |
| | 1.2 Introduction to the irrigation reference manual |
| | 2.1 Watersheds |
| | (introduction...) |
| | 2.1.1 Watershed hydrology |
| | 2.1.2 Hydrologic processes |
| | 2.1.3 Assessing watershed conditions |
| | 2.1.4 Soil and water conservation practices |
| | 2.2 Water flow measurement |
| | 2.2.1 Units of measurement |
| | 2.2.2 Measuring devices in open channels |
| | 2.2.3 Float method |
| | 2.2.4 Weirs |
| | 2.2.5 Siphon tubes |
| | 2.2.6 Bucket and stopwatch method |
| | 2.2.7 Orifices |
| | 2.3 Surveying |
| | (introduction...) |
| | 2.3.1 Profiling |
| | 2.3.2 Steps in making a topographic man |
| | 2.3.3 Abney level surveying |
| | 2.3.4 Simple levels for use in surveying contour lines |
| | 2.3.5 Compass use |
| | 2.4 Soil-Plant-Water relationships |
| | (introduction...) |
| | 2.4.1 Soil moisture storage and availability |
| | 2.4.2 Estimating soil water characteristics on site |
| | 2.4.3 Development of the soil water reservoir |
| | 2.4.4 Soil water availability and crop use patterns |
| | 2.4.5 Soil intake characteristics |
| | 2.4.6 Soil chemistry and fertility |
| | 2.5 Conducting initial environmental evaluations of irrigation projects |
| | (introduction...) |
| | 2.5.1 The role of environmental assessment |
| | 2.5.2 Illustrative environmental review form for irrigation or water resource development projects |
| | 3.1 Diversions |
| | 3.1.1 Types |
| | 3.1.2 Types of construction materials |
| | 3.1.3 Construction and maintenance factors |
| | 3.2.1 Hand mixing |
| | 3.3.1 Spring box designs |
| | 3.4.1 Location of the pond |
| | 3.4.2 Availability of water |
| | 3.4.3 Soils |
| | 3.4.4 Topography |
| | 3.4.5 Design end construction |
| | 3.5 Pumps and water lifting devices |
| | (introduction...) |
| | 3.5.1 Types of pumps |
| | 3.5.2 Pumps powered by humans and animals |
| | 3.5.3 Animal-powered pumps |
| | 3.5.4 Mechanically driven pumps |
| | 3.5.5 Centrifugal pumps |
| | 3.5.6 Propeller or axial flow pumps |
| | 3.5.7 Mixed flow pumps |
| | 3.5.8 Turbine pumps |
| | 3.5.9 Sources of power |
| | 3.5.10 Selection of pumps and power units |
| | 3.5.11 Amount of water to be pumped |
| | 3.5.12 The pumping lift or head |
| | 3.5.13 Horsepower and efficiency |
| | 3.5.14 Pump characteristic curves |
| | 3.5.15 Power source and power Costs |
| | 3.5.16 Pump location |
| | 3.5.17 Pump installation |
| | 3.5.18 Turbine and propeller pumps |
| | 3.5.19 Intake structures |
| | 3.5.20 Minimum water level |
| | 3.5.21 Typical pump design |
| | 3.5.22 Size of pumps |
| | 3.5.23 Costs |
| | 3.5.24 Evaluation of pumping plants |
| | 3.5.25 Rower puma |
| | 3.5.26 Hydraulic ram |
| | 3.6 Wells |
| | (introduction...) |
| | 3.6.1. Methods of drilling: Percussion drilling |
| | 3.6.2 Methods of drilling: Hand auger rig |
| | 3.6.3 Other drilling equipment |
| | 3.6.4 Hand dug wells |
| | Chapter 4 - Estimating irrigation requirements |
| | (introduction...) |
| | 4.1 Introduction |
| | 4.3 FAO crop coefficients |
| | 4.4 Dependable precipitation |
| | 5.1 Control of irrigation water |
| | 5.1.1 Components of farm irrigation systems |
| | 5.1.2 Open channel systems |
| | 5.1.3 Control structures |
| | 5.2.1 Continuity equation |
| | 5.2.2 Pressure, head, and friction losses |
| | 5.2.3 Factors influencing head loss |
| | 5.2.4 Pine design |
| | 5.2.5 The hydraulic gradient line (HGL) |
| | 5.2.6 Pipeline design sample problems |
| | 5.2.7 Pipes and pipeworking |
| | 5.2.8 Working with pipes |
| | 5.2.9 Water hammer |
| | 5.2.10 Air relief. Vacuum relief, and pressure relief |
| | 5.2.11 Other pipeline structures and accessories |
| | 5.2.12 Pipeline materials |
| | 5.4.1 Characteristics of irrigation systems |
| | 5.5.1 Criteria for design and operation |
| | 5.5.2 Description of different surface irrigation methods |
| | 5.5.3 Contour ditch |
| | 5.5.4 Contour levee |
| | 5.5.5 Furrow irrigation |
| | 5.5.6 Corrugation irrigation |
| | 5.5.7 Operation and maintenance of farm surface irrigation systems |
| | 5.6 Sprinkler irrigation systems |
| | (introduction...) |
| | 5.6.1 Principal components |
| | 5.6.2 Pine specifications |
| | 5.6.3 Sprinkler heads and nozzles |
| | 5.6.4 Sprinkler system design |
| | 5.6.5 Lateral design |
| | 5.6.6 Sprinkler system installation |
| | 5.6.7 System operation and maintenance |
| | 5.7.1 Characteristics |
| | 5.7.2 Operation and maintenance |
| | 6.1 Farm water management |
| | 6.1.1 General concepts |
| | 6.2.1 Factors affecting irrigation scheduling |
| | 6.2.2 The practice of irrigation scheduling |
| | 6.2.3 Techniques for preparing irrigation schedules |
| | 6.2.4 Useful relationships in irrigation scheduling |
| | 6.2.5 The soil water budget approach |
| | 6.2.6 The feel and appearance method |
| | 6.2.7 Summary of scheduling techniques |
| | 6.2.8 A comparison of scheduling criteria for surface, sprinkler, and drip irrigation |
| | 6.2.9 Rice irrigation scheduling |
| | 6.2.11 Delivery system schedules |
| | 6.2.12 Project scheduling a summary |
| | 6.3.1 Strategies for farm management |
| | 6.3.2 Rapid on-site evaluations |
| | 6.3.3 Evaluation of multiple farm irrigation systems |
| | 7.1 Basic concepts in waterlogging and salinity |
| | (introduction...) |
| | 7.1.1 Waterlogging and high ground water tables |
| | 7.1.2 Soil and water salinity |
| | 7.1.3 Classification of salt affected soils |
| | 7.1.4 Evaluating waterlogging and salinity problems |
| | 7.2.1 Surface and subsurface drains |
| | 7.2.2 Reclamation of salt affected soils |
| | 7.2.3 Correcting sodium problems with amendments |
| | 7.2.4 Management of saline and sodic soils |
| | A.1 Conversion factors |
| | A.3 Trigonometric table |
| | A.4 List of common tools |
| | B.1 Community situation analysis/needs assessment |
