The 1985 and 1986 Cotton Reports have the same publication and P-Series numbers. / Both trickle and level-basin irrigation methods, when properly managed and operated, achieved high cotton yields and water use efficiencies on a low water holding capacity soil in 1985. A maximum lint yield of 1906 kg/ha (3.8 bales/ac) was achieved for the DPL-90 variety with a single trickle irrigation line per every two rows irrigated daily on the narrow row spacing; however, the new DPL-775 was best overall. The single trickle line per every two rows irrigated daily averaged 15% more lint cotton than the level-basin, every furrow irrigated weekly for both row spacings. The narrow-row spacing (30 inch between rows) outyielded the conventional spacing (40 inch between rows) by 15%, partly because of a higher plant populations. Daily trickle irrigations averaged about 10% more yield than the twice weekly trickle irrigations, and the weekly level-basin irrigations averaged over 20% increase in yield over the biweekly (every two weeks) level-basin irrigations. Light-frequent irrigations can be advantageous for nonhomogenous soils in the semiarid Southwestern United States.
| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/219762 |
| Date | 03 1900 |
| Creators | French, O. F., Bucks, D. A., Roth, R. L., Gardner, B. R., Lakatos, E. A., Alexander, W. A., Powers, D. E. |
| Contributors | U. S. Water Conservation Laboratory |
| Publisher | College of Agriculture, University of Arizona (Tucson, AZ) |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | English |
| Type | text, Article |
| Relation | 370063, Series P-63 |
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