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This article in SSSAJ

  1. Vol. 46 No. 2, p. 438-441
    Received: May 4, 1981
    Accepted: Oct 20, 1981

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Measuring the Hydraulic Conductivity of Soil Horizons with Continuous Macropores1

  1. J. Bouma2



Measurement of Ksat of soil horizons with continuous macropores is discussed. Different fluxes at grad H = 1 cm cm−1 and zero pressure head ranged from 2,000 to 10 cm day−1 in the B21g (clay) of a Typic Fluvaquent with vertical worm channels and from 20 to 1 cm day−1 in the Clg (compact sandy loam) of a Plaggeptic Haplaquod. Fluxes were obtained using (i) large detached columns (Ksat entire soil), (ii) columns that were attached to the subsoil, and (iii) detached columns with light crusts on top [Ksat of the soil matrix, which is referred to as K(sat)].

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