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Design and analysis of industrial strip-plot experiments

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Shuffle the deck of 20 cards, and then turn them over one at a time as you go down the list of names If a heart is turned over then the farm is assigned to variety A; if a spade is turned over then the farm is assigned to variety B. In an attempt to account for natural variability within the field, several measurements e. Six nitrogen treatments A to F form the main plots. These designs are also called Split-Block Designs. Project Implementation Guide to Field Experimentation: Four replicates are better than three, and five better than four, but the statistical advantage gained is successively smaller with each added replicate.

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