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This article in AJ

  1. Vol. 60 No. 5, p. 542-545
     
    Received: Mar 21, 1968


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doi:10.2134/agronj1968.00021962006000050029x

Net and Spectral Radiation in Soybean Canopies1

  1. Maharaj Singh,
  2. D. B. Peters and
  3. J. W. Pendleton2

Abstract

Abstract

Net and spectral radiation profiles were measured for two soybean varieties of different leaf shapes. Net radiation attenuation differences were found for varieties but not for row spacings. The attenuation coefficient for both spectral and net radiation was very high, indicating the principal use of radiation is in the outer periphery of the soybean canopy. Net radiation was found to deviate from a Beer's Law absorption in the lower region of the soybean canopy.

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