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Agronomy Journal Abstract -

Measurement of Dark Respiration, Evaporation, and Photosynthesis in Field Plots1


This article in AJ

  1. Vol. 66 No. 3, p. 460-462
    Received: Sept 20, 1973

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  1. D. B. Peters,
  2. B. F. Clough,
  3. R. A. Garves and
  4. G. R. Stahl2



Present techniques for measurement of respiration, evaporation, and photosynthesis do not permit evaluation of a large number of experimental variables. A field plot technique is described which enables precise measurement from a large number of plots. A device is used that produces a closed canopy over a field plot for a short time during which CO2 and H2O concentrations are measured. The procedure produces minimal disturbance of natural field conditions and can measure CO2 and H2O fluxes with high precision.

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