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This article in AJ

  1. Vol. 55 No. 5, p. 444-446
     
    Received: Jan 2, 1963
    Published: Sept, 1963


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doi:10.2134/agronj1963.00021962005500050010x

Assessing the Utility of Pan Evaporstion for Controlling Irrigation of Sugar Cane in Hawaii1

  1. F. E. Robinson,
  2. R. B. Campbell and
  3. Jen-hu Chang2

Synopsis

Synopsis

The timing of irrigation applications was determined with reference to the net evaporation from a U.S. Weather Bureau pan. Maximum sugar yields were obtained when 2.5 inches of irrigation water were applied after 2.9 inches had evaporated from the pan. When adjusted to a constant population, the differences in yields of 6 irrigation-interval treatments reflected differences in stalk length. Decrease in stalk length resulted from soil moisture tensions which exceeded 2 bars.

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