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This article in AJ

  1. Vol. 58 No. 5, p. 549-553
    Received: Apr 30, 1966

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Effect of Soil Bulk Density and Soil Water Pressure on Emergence of Grass Seedlings1

  1. T. D. Hughes,
  2. J. F. Stone,
  3. Wayne W. Huffine and
  4. J. R. Gingrich2



Moisture was the most important factor influencing the emergence of common bermudagrass (Cynodon dactylon (L.) Pers.) and weeping lovegrass (Eragrostis curvula (Schrad.) Nees.) in a clay soil over the range of bulk density and soil water pressure investigated. Both grasses exhibited approximately the same emergence at the −1/3 and −1-bar soil water pressures. Of those soil strengths and oxygen diffusion rates encountered, none limited seedling emergence of either grass. Small correlation was found between soil strength and seedling emergence.

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