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This article in SSSAJ

  1. Vol. 24 No. 6, p. 523-526
     
    Received: Jan 20, 1960
    Published: Nov, 1960


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doi:10.2136/sssaj1960.03615995002400060031x

Growth and Water Absorption by Corn as Influenced by Soil Moisture Tension, Moisture Content, and Relative Humidity1

  1. D. B. Peters2

Abstract

Abstract

When plants were subjectd to a high evaporative demand, i.e., low relative humidity, growth was found to be profoundly influenced by both soil moisture tension and moisture content. However, at low evaporative demand, other factors being held constant, growth was influenced by moisture tension and moisture content in only a minor way. Thus, it is shown that evaluation of growth from the standpoint of water use must consider the total free energy path causing water movement. Water use could not be evaluated precisely with the experimental technique used because of the large growth differences and the inability to measure energy absorption by plants.

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