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This article in SSSAJ

  1. Vol. 53 No. 1, p. 299-302
     
    Received: Feb 22, 1988
    Published: Jan, 1989


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doi:10.2136/sssaj1989.03615995005300010056x

Automated Regulating and Recording System for Cylinder Infiltrometers

  1. S. Matula and
  2. C. Dirksen 
  1. Czech Technical Univ. (CTU), Faculty of Civil Engineering, Thakurova 7, 166 29 Prague 6, Czechoslovakia
    Wageningen Agricultural Univ. (WAU), Dep. of Soil Science and Plant Nutrition, Dreijenplein 10, 6703 HB Wageningen, The Netherlands

Abstract

Abstract

This paper describes a new system that regulates water applications to ring infiltrometers within ± 1 mL. Water application is triggered when free water on the soil surface reaches a preset lowest level, with a sensitivity of about 0.1 mm. By recording the times of the water application events, either automatically or manually, the maximum infiltration rate as function of time can be determined with high accuracy and minimum effort.

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