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Soil Science Society of America Journal Abstract -

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


This article in SSSAJ

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

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



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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