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Abstract

 

This article in SSSAJ

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


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doi:10.2136/sssaj1982.03615995004600020047x

Measuring the Hydraulic Conductivity of Soil Horizons with Continuous Macropores1

  1. J. Bouma2

Abstract

Abstract

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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