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NUMERICAL ANALYSIS OF IRRIGATION TREATMENTS OF BARLEY WITH RESPECT TO DRAINAGE LOSSES AND CROP RESPONSE.

Abstract:

To evaluate the obtained experimental results, a numerical soil water balance model, SWATRE, was used to estimate the actual transpiration. It was observed that there is a close agreement between the measured and simulated moisture depths, after calibration of the SWATRE model, during both of the growing seasons of the crop. The calculated actual transpiration was used as a major input in the growth model, CROPR, in order to verify crop response in the irrigation treatments applied. The CROPR model, under the given agricultural practices, was able to simulate grain yield.