Irrigation Science

, Volume 11, Issue 2, pp 101–109 | Cite as

Response of sugar beet to non-uniform irrigation

  • J. E. Ayars
  • R. B. Hutmacher
  • G. J. Hoffman
  • J. Letey
  • J. Ben-Asher
  • K. H. Solomon
Article

Summary

A field experiment was conducted using a linear-move irrigation machine to test the interactive effects of irrigation uniformity, a representative length of nonuniformity and water quality on crop yield and growth responses. Christiansen's uniformity coefficient values of 60, 80, and 90% were achieved with a sinusoidal pattern of applied water superimposed on the 60 and 80% uniformity treatments. Two wave-lengths 2.4 m (S) and 4.9 m (L), were used. Water qualities used were: 0.3 dS m-1 and 3 to 5 dS m-1. Results showed that both the magnitude and the scale of the nonuniformity affect the water use efficiency. Sugar yields were not affected by water quality. Yields on a row basis were significantly correlated to applied water in the 60% uniformity, long scale length (60-L) treatment.

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • J. E. Ayars
    • 1
  • R. B. Hutmacher
    • 1
  • G. J. Hoffman
    • 1
  • J. Letey
    • 2
  • J. Ben-Asher
    • 3
  • K. H. Solomon
    • 4
  1. 1.Water Management Research Laboratory, USDA/ARSFresnoUSA
  2. 2.University of CaliforniaRiversideUSA
  3. 3.Institute for Desert Research, Ben Gurion University of the NegevSede Boqer CampusIsrael
  4. 4.Center for Irrigation Technology, California State UniversityFresnoUSA

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