Itrc destinations of applied irrigation water can

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ITRC Destinations of Applied Irrigation Water • Can have a high efficiency with a poor DU -- Under irrigation • Perfect timing: no dry spots in the driest ITRC BRAE/Cal Poly Perfect timing: no dry spots in the driest part of the field -- the part that got the least got exactly the amount needed
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5 Evaporation Water Destination Diagram Overirrigation due to Poor Timing ITRC BRAE/Cal Poly Need Good DU AND Good Timing Especially on Pressurized Systems Issue: Nitrates going to groundwater Percent of field epth Percent of field Percent of field epth Percent of field 1. Under-irrigation 3. Perfect irrigation de depth de depth 2. Over-irrigation 4. Combination of Under-irrigation and ITRC BRAE/Cal Poly smd, net, ETc Under irrigation and Over-irrigation
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