| Plantations on volcanic ash parent materials | Plantations on sedimentary parent materials | ||||||
| Young | Prime | Ageing | Old | Young | Prime | Ageing | Old |
Mean ± SE | 7.92 ± 0.62 | 11.71 ± 0.39 | 8.93 ± 0.71 | 4.35 ± 0.37 | 5.77 ± 0.46 | 11.29 ± 0.46 | 8.26 ± 0.79 | 5.01 ± 0.43 |
Median | 6.92 | 11.35 | 9.60 | 4.19 | 5.10 | 10.45 | 8.50 | 4.10 |
Std. Dev. | 5.04 | 3.11 | 3.42 | 2.89 | 3.54 | 3.42 | 3.07 | 3.20 |
CV (%) | 63.62 | 26.52 | 38.32 | 66.64 | 61.37 | 30.29 | 37.13 | 63.90 |
Minimum | 0.00 | 2.98 | 3.07 | 0.00 | 0.83 | 4.21 | 2.30 | 1.20 |
Maximum | 20.00 | 18.80 | 14.45 | 15.65 | 16.02 | 21.20 | 12.40 | 16.30 |
Skewness ± SE | 0.53 ± 0.29 | −0.05 ± 0.30 | −0.23 ± 0.48 | 1.06 ± 0.30 | 0.59 ± 0.31 | 0.56 ± 0.32 | −0.42 ± 0.58 | 1.74 ± 0.32 |
Kurtosis ± SE | −0.36 ± 0.58 | 0.39 ± 0.59 | −1.23 ± 0.94 | 2.39 ± 0.59 | −0.29 ± 0.62 | 0.39 ± 0.63 | −0.52 ± 1.12 | 3.27 ± 0.63 |