L. A. G. van HeekIrrigation Research Institute, Department of Agriculture Tatura, Victoria, 3616, Australia
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H. H. Adem
H. H. AdemIrrigation Research Institute, Department of Agriculture Tatura, Victoria, 3616, Australia
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Contributor Notes
Received for publication February 10, 1980.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.