Abstract
The subject of maintenance is treated in this manual by a discussion of the factors essential to keeping the facilities of an irrigation and drainage system in good condition, the staff necessary to acomplish the work and that staff's responsibility, and commmon practices and procedures used for the maintenance of structures and facilities pertinent to such systems. The irrigation systems referred to in this section, as previously outlined in Sections II and III, are those generally associated with the movement of water from its source to the user and which are prevalent in arid and semi-arid areas. The drainage systems are those in which seasonal removal of water is normally a necessity, due to possible water-logging of the soil, or the buildup of salts in it. The system involved may be an essential part of an irrigation system in an arid or semi-arid area or one of the larger and more extensive systems located in the semihumid or humid areas.
Published Version
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