Stand age (years) | Soil aggregate composition (%) | Effects | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
> 2 mm | 2–1 mm | 1–0.25 mm | < 0.25 mm | Aggregate size (A), df = 3 | Stand age (S), df = 3 | A × S, df= 9 | ||||
F | P | F | P | F | P | |||||
0 | 47.28 ± 1.11 c | 17.33 ± 0.82 a | 7.34 ± 0.57 a | 28.05 ± 0.64 b | 1249.508 | < 0.0001 | 40.037 | < 0.0001 | 37.026 | < 0.0001 |
9 | 52.31 ± 1.51 b | 18.47 ± 0.84 a | 5.24 ± 0.52 a | 23.98 ± 1.94 c |  |  |  |  |  |  |
17 | 61.02 ± 1.15 a | 16.02 ± 0.88 a | 6.89 ± 1.06 a | 16.07 ± 1.73 d |  |  |  |  |  |  |
26 | 42.28 ± 1.17 d | 17.33 ± 0.41 a | 7.41 ± 1.07 a | 32.98 ± 0.72 a |  |  |  |  |  |  |
Mean | 51.90 ± 2.22 A | 16.79 ± 0.40 C | 6.88 ± 0.45 D | 24.85 ± 2.15 B |  |  |  |  |  |  |