Mechanical Structures for Farm Irrigation

by Allan S. Humpherys,


Serial Information: Journal of the Irrigation and Drainage Division, 1969, Vol. 95, Issue 4, Pg. 463-480


Document Type: Journal Paper

Abstract: Mechanical, automatic irrigation structures that can save both water and labor are being developed for surface irrigation systems. These include both timer-controlled and automatic water-pressure-controlled structures and are being tested in various types of irrigation systems. A specially designed mechanical timer is used to control semiautomatic irrigation checks and gates. Generalized design information is presented for a timer-controlled check dam for both lined and unlined ditches. A pressure gate which opens and closes automatically when water in the channel approaches a certain depth is also described. Other structures include a drop gate, metal apron gate and water level control checks. Certain operational problems such as rodent and weed control require greater emphasis with automatic irrigation than with conventional systems.

Subject Headings: Irrigation systems | Gates (hydraulic) | Smart buildings | Water conservation | Surface irrigation | Automation | Labor

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