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This article in SSSAJ

  1. Vol. 34 No. 2, p. 306-309
     
    Received: Sept 8, 1969
    Accepted: Sept 26, 1969


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doi:10.2136/sssaj1970.03615995003400020034x

Growth Rate and Yield of Cotton as Influenced by Depth and Bulk Density of Soil Pans1

  1. F. E. Lowry,
  2. H. M. Taylor and
  3. M. G. Huck2

Abstract

Abstract

Effects of depth and bulk density of soil pans on cotton growth and yield, oxygen concentration, and water extraction were measured. At each depth-to-pan treatment, final plant height and yield of seed cotton were reduced as soil bulk density or penetrometer resistance increased. Growth rate and yield were less on the 10-cm depth-to-pan treatment than on the 20- or 30-cm depth treatments. A restricted water supply due to limited rooting volume probably was the principal factor causing reduced yield of cotton grown on the higher strength soil pans.

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