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This article in SSSAJ

  1. Vol. 40 No. 3, p. 426-429
     
    Received: Nov 11, 1975
    Published: May, 1976


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doi:10.2136/sssaj1976.03615995004000030033x

Line Source Sprinkler for Continuous Variable Irrigation-crop Production Studies1

  1. R. J. Hanks2,
  2. J. Keller3,
  3. V. P. Rasmussen2 and
  4. G. D. Wilson2

Abstract

Abstract

The design details and a sample set of field test results for a line source sprinkler plot irrigation system are presented. The system produces a water application pattern which is uniform along the length of the plot and continuously, but uniformly variable across the plot.

By applying a fertility variable along a plot (at right angles to the water variable) planted in some test crop, the system offers a convenient means for developing crop production function data. The system test area and water supply are both small. However, the application of the system may be limited by wind and all water application levels within a plot must be supplied at the same irrigation frequency.

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