Optimum Irrigation Under Saline Conditions

by Keith C. Knapp, Univ of California, Riverside, CA, USA,
Ariel Dinar, Univ of California, Riverside, CA, USA,

Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century


A dynamic production function for cotton is estimated. Optimal irrigation volumes, timing, and qualities are calculated using dynamic programming. Optimal water quantities are sensitive to initial conditions and drainage costs. Demand is price inelastic. Irrigation numbers are very sensitive to application costs. Drainwater reuse is optimal under the conditions considered.

Subject Headings: Irrigation | Salinity | Salt water | Water resources | Mathematics | Hydrologic models | Computer programming | Water reclamation

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