highly significantp < 0.001
Following Z-score standardization, Bartlett’s test of sphericity was highly significant ( p < 0.001), confirming the suitability of data for principal component analysis (PCA).
Following Z-score standardization, Bartlett’s test of sphericity was highly significant ( p < 0.001), confirming the suitability of data for principal component analysis (PCA).
According to the same study, drought treatment resulted in a decreasing trend in specific root length (i.e., by 11%), while irrigation treatment led to an increasing trend in specific root length (i.e., by 8%), although neither treatment reached statistical significance ( Ostonen et al., 2007 ).