Drainage Required to Manage Salinity
Publication: Journal of Irrigation and Drainage Engineering
Volume 111, Issue 3
Abstract
The amount of drainage required to prevent loss in crop productivity from excess soil salinity has been termed as the leaching requirement Steady‐state models for predicting are reviewed and compared with experimentally measured values. Values of predicted from the exponential model, which computes the average soil salinity in the root zone based upon an exponential pattern of crop water uptake, correlated best with measured values. Acceptable estimates are also obtained with a simplified model that approximates an average soil salinity based on values for the top and bottom of the root zone. The highest correlation coefficient was 0.67, indicating that none of the models is completely satisfactory.
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Information & Authors
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Published In
Journal of Irrigation and Drainage Engineering
Volume 111 • Issue 3 • September 1985
Pages: 199 - 206
Copyright
Copyright © 1985 ASCE.
History
Published online: Sep 1, 1985
Published in print: Sep 1985
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