Optimal Timing of Irrigation

by Warren A. Hall,
William S. Butcher,

Serial Information: Journal of the Irrigation and Drainage Division, 1968, Vol. 94, Issue 2, Pg. 267-278

Document Type: Journal Paper


A methodology is derived permitting determination by dynamic programming of the optimal timing of irrigation, to produce the greatest net return inclusive of the cost of irrigation. It will be particularly useful under conditions in which seasonal supply is inadequate but reasonably predictable. Analysis is based upon the principle that the adverse effects of deficiencies (nutrition, excessive salinity, soil moisture, etc.) are geometric when existing in combination. For general use, additional data concerning the yield coefficients will be required covering each of the critical stages in the growth of the crops independently.

Subject Headings: Irrigation | Computer programming | Seasonal variations | Soil analysis | Salinity | Soil water | Geometrics | Crops

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