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This article in AJ

  1. Vol. 55 No. 2, p. 197-199
    Received: Aug 8, 1962

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Field Plot Technique Studies with Flue-Cured Tobacco. I. Optimum Plot Size and Shape1

  1. Julian W. Crews,
  2. Guy L. Jones and
  3. D. D. Mason2



Optimum plot size was estimated from Smith's soil heterogeneity index and relative cost of experimental procedures. Estimates of optimum size of unguarded plots for measuring yield ranged from 19 to 39 plants when data from individual locations and years were considered separately. However, considering all trials for both size and shape, plots 1 row wide (3.5 feet) by 49.5 feet long (27 plants spaced 22 inches) were optimum.

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