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This article in AJ

  1. Vol. 59 No. 5, p. 490-492
     
    Received: Apr 10, 1967
    Published: Sept, 1967


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doi:10.2134/agronj1967.00021962005900050038x

A Simple Portable Reflectometer for Field Use1

  1. S. A. Bowers and
  2. C. W. Hayden2

Abstract

Abstract

A small, portable, battery-powered field reflectometer, which utilized an integrating sphere, was developed for measuring reflectance from soils and intact leaves. Its light source was a flashlight bulb; its wavelength selection within the range of 0.4 µ to 1.1 µ was achieved with interference filters. Comparison with laboratory instruments was favorable.

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