Microeconomics of irrigation with saline water

Iddo Kan*, Kurt A. Schwabe, Keith C. Knapp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


Water management and reuse at the field level are analyzed under saline, limited drainage conditions. A function relating crop yield and deep percolation flows to applied water and salinity concentration is developed. This function fits simulated data well and is tractable for theoretical and empirical analysis of irrigation economics. With a single irrigation source, irrigation water for cotton and tomatoes at first increases and then decreases with salt concentration. Drain-water reuse is found to be an efficient strategy in events of high surface-water prices and costly solutions to drainage-related environmental problems. However, blending freshwater and drainage appears plausible only under surface water scarcity.

Original languageAmerican English
Pages (from-to)16-39
Number of pages24
JournalJournal of Agricultural and Resource Economics
Issue number1
StatePublished - Jul 2002
Externally publishedYes


  • Drainage disposal
  • Economics
  • Irrigation
  • Nonpoint source pollution
  • Salinity


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