SOIL Studies

SOIL Studies

2013, Vol 2, Num, 1     (Pages: 007-014)

Grouping of Soil Properties using Multivariate Statistical Methods

Mustafa Sağlam 1

1 Ondokuz Mayıs Üniversitesi, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü, Samsun, 55139

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This study was carried out in Ayaş Research and Training Farm soils of Agricultural Faculty of Ankara University, to group related soil physico–chemical properties using multivariate statistical methods of factor and cluster analyses. In this contex, the selected 14 soil physico-chemical properties were evaluated. Kaiser–Mayer–Olkin (KMO) value of the factor analysis was 0.70 and Barlett Spherity test significance value was 0.00. Thus, data set was found to be suitable for factor analysis. Three factors were occurred with Eigen values greater than one. These three factors described 71.22 % of total variation in the data. Results of the exploratory Factor Analysis and Hierarchical Cluster Analysis on the survey data were highly similar.

Keywords : Soil physical properties, soil chemical properties, factor analysis, cluster analysis