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Abstract
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Article Information:
The Effect of Blocking on the Experimental Precision of Tomato Yield
Adam Taiye Mudi and Aliyu Usman
Corresponding Author: Adam Taiye Mudi
Submitted: May 27, 2011
Accepted: November 26, 2011
Published: February 25, 2012 |
Abstract:
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Past experiments on the effect of fertilizer levels on tomato yield have frequentlyused Randomized
Complete Blocked Designs (RCBD), even though the experimental areas seem relatively uniform with regard
to external variables. Consequently, Completely Randomized Designs (CRD) may have had better precision
with which to estimate treatmenteffects compared with RCBD. The objective of this study wasto Estimate the
Relative Efficiency (ERE) of a RCBD compared with a CRD from the data sets obtained from Kwara State
Agricultural Development Project, Nigeria for three farm trials with the aim of estimating the effect with less
effort. The result of the analysis showed that ERE (RCBD to CRD) are (1.064, 0.9164 and 0.9068) respectively
for the three trials. Hence blocking is inefficient for future similar experiment under the same conditions.
Key words: CRD: completely randomized design, ERE: estimated relative efficiency, MSB,: mean square for blocking effect, MSE : error mean square, RCBD: randomized complete block design, SSB,: sum of squares for blocking effect, SSE,: error sum of squares
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Cite this Reference:
Adam Taiye Mudi and Aliyu Usman, . The Effect of Blocking on the Experimental Precision of Tomato Yield. Research Journal of Mathematics and Statistics, (1): 10-13.
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ISSN (Online): 2040-7505
ISSN (Print): 2042-2024 |
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