Design and evaluation of an irrigation system for creating water gradients under an automatic rain shelter |
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| Authors: | R. L. McCown B. H. Wall P. S. Carberry J. N. G. Hargreaves K. L. Green P. L. Poulton |
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| Affiliation: | (1) Division of Tropical Crops and Pastures, CSIRO Davies Laboratory, Private Mail Bag, 4814 Townsville, QLD, Australia;(2) Division of Tropical Crops and Pastures, CSIRO Cunningham Laboratory, 306 Carmody Road, 4067 Brisbane, QLD, Australia;(3) Division of Tropical Crops and Pastures, CSIRO Katherine Research Station, 5780 Katherine, NT, Australia |
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| Abstract: | Summary This paper reports on the design and performance of an irrigation system associated with a rain shelter. The shelter is used in the closed position as a platform for multiple spray lines. This system automatically supplies, at a specified time, water of specified depth and delivery rate, either uniformly or on a specified gradient across the sheltered area. Variations in crop water deficits and yields have conformed closely to imposed water gradients. |
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