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Abstract

 

This article in AJ

  1. Vol. 56 No. 4, p. 435-438
     
    Received: Feb 13, 1964


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doi:10.2134/agronj1964.00021962005600040019x

Field Plot Technique Studies with Flue-Cured Tobacco. II. Experimental Designs and Replications1

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

Synopsis

Synopsis

Simple and triple lattice designs were 4 and 5% more efficient than randomized complete block designs at Rocky Mount, and 54 and 60% more efficient at Rural Hall for yield as determined from uniformity data. Precision was increased with a 7 × 7 triple lattice for all characters studied at 6 locations during 3 years. Expected LSD for yield from 4 replications of the optimum (27 plants) and plots 2 rows by 20 plants was 4.9 and 4.4% of the mean, respectively, at Rocky Mount and 7.9 and 7.5% at Rural Hall.

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