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Soil Science Society of America Journal Abstract -

Water Relations of Fritted Clay1


This article in SSSAJ

  1. Vol. 42 No. 4, p. 657-659
    Received: Aug 15, 1977
    Accepted: Mar 7, 1978

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  1. C. H. M. van Bavel,
  2. R. Lascano and
  3. D. R. Wilson2



Experiments and calculations were performed to characterize the water relations of fritted clay, a material which has been found suitable for growing experimental plants. Its dry bulk density is 0.67 kg/liter, particle density 2.50 kg/liter, total porosity 0.73, and saturated hydraulic conductivity 9.5 × 10−4 m/sec. The desorption relation was measured and the unsaturated hydraulic conductivity as a function of water content was calculated. Much water drains from the saturated material by gravity. After drainage from commonly used containers, the material holds 0.31 by volume of plant-available water, and has an air-filled porosity of 0.28. Its water relations are excellent for plant growth purposes.

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