Influence of Irrigation on Subsurface Drainageby J. C. Gould, Univ of Nevada, Reno, United States,
J. C. Guitjens, Univ of Nevada, Reno, United States,
Abstract: The influence flood irrigation has on drainage effluent in terms of discharge rates and water quality was analyzed at an artificially drained alfalfa field in Fallon, Nevada. Immediately after a flood irrigation event the flow rates of the individual subsurface drains were monitored. Sampling, based on an exponential time pattern, continued until the following flood irrigation (six samplings over 15 days). Water samples from each drain were collected and quality analyses were conducted. Flood irrigation influenced discharge rate of the individual drains but not water quality.
Subject Headings: Irrigation | Subsurface drainage | Water quality | Water discharge | Floods | Water sampling | Effluents | Nevada | North America | United States
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