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This article in SSSAJ

  1. Vol. 39 No. 1, p. 28-33
     
    Received: Mar 6, 1974
    Published: Jan, 1975


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doi:10.2136/sssaj1975.03615995003900010011x

Influence of Soil Microstructure on Water Characteristics of Selected Hawaiian Soils1

  1. G. Y. Tsuji,
  2. R. T. Watanabe and
  3. W. S. Sakai2

Abstract

Abstract

The higher water-holding capacity of Oxisols and Ultisols compared to that of the Vertisols and Inceptisols at 15 bars of suction is attributed to the presence of intra-aggregate void spaces. Existence of such voids was verified with the aid of a scanning electron microscope. These voids are obvious in soils with kaolinitic and oxidic mineralogy but are not evident in soils of montmorillonitic or amorphous oxide composition.

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