Ion | Red soil group (n = 109) | Yellow soil group (n = 45) | ||||||
Mean ± Std.D | C.V. (%) | Skewness | Kurtosis | Mean ± Std.D | C.V. (%) | Skewness | Kurtosis | |
H+ | 0.23 ± 0.13b | 58.44 | 0.71 | −0.38 | 0.19 ± 0.10bc | 52.58 | 0.37 | −0.79 |
Al3+ | 4.55 ± 1.47a | 32.26 | 0.53 | 0.46 | 4.22 ± 1.24a | 29.35 | 0.20 | −0.46 |
Ca2+ | 0.32 ± 0.21b | 65.63 | 0.93 | 0.27 | 0.36 ± 0.24b | 66.28 | 0.92 | 0.11 |
Mg2+ | 0.13 ± 0.09c | 68.12 | 0.64 | −0.28 | 0.11 ± 0.08c | 68.12 | 0.59 | 0.06 |
K+ | 0.16 ± 0.09c | 56.85 | 0.83 | 0.42 | 0.16 ± 0.11c | 65.78 | 0.37 | −0.97 |
Na+ | 0.08 ± 0.06c | 79.53 | 0.63 | −0.46 | 0.11 ± 0.06c | 54.23 | 0.82 | −0.33 |
BSP | 13.26 ± 5.85B | 44.16 | 0.30 | −0.81 | 16.03 ± 7.87A | 49.11 | 0.40 | −0.40 |