Transcription of CENTER PIVOT IRRIGATION
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CENTER PIVOT IRRIGATION
1 Supervisory Agricultural Engineer and Research Leader, Agricultural Systems Research Unit, NorthernPlains Agricultural Research Laboratory, USDA-Agricultural Research Service, 1500 North Central Ave., Sidney,MT 59270. E-mail: CENTER PIVOT IRRIGATIONR obert G. Evans1 INTRODUCTIONThe first Self-Propelled Sprinkling Irrigating Apparatus was invented in 1948 and patented in 1952 by FrankZybach in eastern Colorado. The early systems were the foundation of the development of modern self-propelledcenter PIVOT and linear move IRRIGATION systems. These very adaptable water application methods have experiencedtremendous growth around the world in recent years due to: 1) their potential for highly efficient and uniform waterapplications; 2) their high degree of automation requiring less labor than most other IRRIGATION methods; 3) large arealc
Flow requirements for center pivots and lateral move systems are defined in terms of total flow supplied to the system or the total system capacity, Q T (gpm), for hydraulic requirements, and gross system capacity, Q g (gpm/ac), for irrigation requirements and management. Q g is defined as the total system capacity, Q T, divided by the total ...
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