Evaluation of Irrigation Planning Decisions
Publication: Journal of Irrigation and Drainage Engineering
Volume 115, Issue 1
Abstract
A method is developed to determine optimal irrigation strategies for a single season using crop production functions which incorporate physically based coefficients. The relationship of yield to evapotranspiration is used to develop the yield‐irrigation function. The physical parameters used in the production function can be determined from field measurements or various types of computer simulation. Using this approach, the optimal irrigated area and depth of water to apply can be related to prices, costs, and physical parameters. This produces a more general solution than commonly used production functions that depend on limited experimental results. The optimal irrigation depth and irrigated area can be determined for either land or water limiting conditions. The analysis also allows consideration of different irrigated and dryland crops. Three examples are analyzed to illustrate the use of the technique and to develop some general guidelines.
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Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 115 • Issue 1 • February 1989
Pages: 58 - 77
Copyright
Copyright © 1989 ASCE.
History
Published online: Feb 1, 1989
Published in print: Feb 1989
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