Evaluation of Global and Local Indicator of Spatial Autocorrelations of Kenaf in Experimental Plots in South Western Nigeria
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Date
2010
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Abstract
A study was conducted to assess spatial variations in experimental plots
through the global and local indicator of spatial autocorrelation of kenaf. Field
data obtained from experiment conducted at both Ilora and Ikenne outstations
of the Institute of Agricultural Research and Training, Ibadan, Nigeria in 2006
were used to investigate spatial variability in experimental plots. The
descriptive statistics showed that sample mean (μ) from different tessellated
plots of the experimental sites were biased estimators which might have been
probably caused by spatial variations in the experimental sites. Also, the global
Moran I and Moran I scatter plots showed that these can be used as a measure
of variation between the plots. Generally, the selected spatial autocorrelation
indicators were found to be consistent with some other spatial statistical
analytical tools.
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Keywords
Hibiscus cannabinus, Experiments, Spatial autocorrelation indicator