Defines terms used. Lists irrigation system capacity requirements, and tells when to irrigate. Describes types of irrigation structures and includes diagrams. Includes a description of development of rotational irrigation in Taiwan and notes improvements to be made. Contains estimates for irrigation systems to be installed in North and Northeast Thailand changwats. Indicates how to analyze economic and technical soundness of agriculture and irrigation projects. Shows sample project reports. Provides a series of diagrams (with Thai legends) indicating how to construct the various parts of an irrigation system. [TAIC]
CONTENT
Conversion tables -- Soil Moisture Relations -- When to Irrigate -- Water delivery systems for gravity irrigation -- The flow of water on open channels -- Standardization of Canal selections -- Development of Rotational irrigation in Taiwan -- Irrigation tanks constructed in the N.E. changwads Leoy, Udon, Nongkail Sakol Nakorn, Nakorn Phanom, Ubol