Table 3 Principal component analysis (PCA). Loadings of the variables, eigenvalues, explained and cumulative variance for the first two first PCs.
| Â | Variance Explained | Factor loading | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
PC | Eigenvalues | % of Variance | Cumulative % | pH | Na | K | Ca | Mg | Cu | Mn |
1 | 4.189 | 59.841 | 59.841 | 0.471 | 0.845 | 0.906 | 0.888 | 0.948 | 0.435 | 0.746 |
2 | 1.214 | 17.337 | 77.178 | 0.719 | -0.369 | 0.216 | -0.363 | -0.215 | 0.575 | 0.073 |