Subterranean Disposal of Irrigation Drainage Waters in Western San Joaquin Valleyby J. Letey, Univ of California, Riverside, United States,
J. D. Oster, Univ of California, Riverside, United States,
Abstract: Subsurface drainage waters in the western San Joaquin Valley of California are laden with selenium and other toxic elements and above-ground disposal creates a hazard problem (Letey et al., 1986). In this paper we explore the possibility of reducing the need for subsurface drainage and consequently retaining the salts and toxic elements below the earth's surface. Reduction in subsurface drainage entails adjustments in irrigation, water pumping, and drainage practices.
Subject Headings: Drainage | Subsurface drainage | Irrigation water | Groundwater pollution | Selenium | Pumps | Toxicity | Groundwater | North America | California | United States
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