Table 1: Basic statistics for elemental concentrations of Al, Fe, Mn, C and N in ROI samples of Podzol and Luvisol.

Podzol         Luvisol     Al Fe Mn C N Al Fe Mn C N   [mg g−1] Mean 4.31 13.47 0.0139 3.05 0.076 1.736 10.844 0.873 10.33 0.599 Min 0.39 2.71 0.0043 0.46 0.010 0.997 5.796 0.241 1.797 0.180 Max 10.72 35.79 0.0252 12.53 0.260 2.451 16.397 1.885 184.7 8.505 Skew 0.457 0.628 0.238 1.67 1.41 −0.028 −0.142 0.332 2.16 6.24 Stddev 3.42 10.29 0.0059 2.46 0.066 0.382 2.664 0.470 24.23 1.088 35 35 33 35 16 32 32 32 66 66