Samples deptha (m) | Analyzed variablesb | |||||||
---|---|---|---|---|---|---|---|---|
Root volume (mm3) | Root area (mm−2) | Root length (m) | Root diameter (mm) | |||||
Mean | Log10* | Mean | Log10* | Mean | Log10* | Mean | Log10* | |
0.00–0.10 | 1.465 | − 0.630e | 10.806 | 0.529e | 0.017 | 0.308c | 0.212 | − 0.604e |
0.10–0.20 | 1.348 | − 0.590e | 11.336 | 0.575e | 0.018 | 0.339c | 0.247 | − 0.610e |
0.20–0.30 | 5.470 | − 0.042c | 32.247 | 0.979c | 0.026 | 0.433b | 0.354 | − 0.482c |
0.30–0.40 | 1.455 | − 0.339d | 11.544 | 0.746d | 0.023 | 0.368c | 0.303 | − 0.530d |
0.40–0.50 | 4.149 | 0.072c | 25.366 | 1.070ab | 0.035 | 0.505a | 0.373 | − 0.459c |
0.50–0.60 | 6.127 | 0.249b | 32.422 | 1.178b | 0.032 | 0.479a | 0.473 | − 0.384c |
0.60–0.70 | 9.126 | 0.483a | 45.904 | 1.348a | 0.039 | 0.500a | 0.529 | − 0.320a |
0.70–0.80 | 3.051 | 0.264b | 18.424 | 1.140b | 0.022 | 0.346c | 0.504 | − 0.327a |
f-value | 12.599 | 436.307 | 19.062 | 310.713 | 38.195 | 60.069 | 18.645 | 753.635 |
Deviation error | 88.39 | 1.00 | 229.26 | 0.80 | 7.70 | 0.44 | 0.10 | 0.20 |
df | 781.20 | 1.01 | 5256.28 | 0.64 | 59.43 | 0.19 | 0.08 | 0.041 |
Valid samples | 71,749 | 70,759 | 71,727 | 70,663 | 93,175 | 92,933 | 71,683 | 70,718 |