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This article in AJ

  1. Vol. 58 No. 2, p. 195-198
     
    Received: June 1, 1965
    Published: Mar, 1966


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doi:10.2134/agronj1966.00021962005800020023x

Effect of Soil Moisture Depletion on Crop Yield and Stomatal Infiltration1

  1. H. D. Fuehring,
  2. A. Mazaheri,
  3. M. Bybordi and
  4. A. K. S. Khan2

Abstract

Abstract

Yields of potatoes and maize were considerably reduced as the irrigation interval exceeded one week. Partial closure of stomata as early as two days after irrigation indicated stress on plant growth even when most “available” soil moisture was still present. A linear relationship between degree of Stomatal opening as measured by the oil-drop penetration technique and the length of time after irrigation of various crops was established under field conditions.

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