Research Article
Biomass Modelling of Androstachys johnsonii Prain: A Comparison of Three Methods to Enforce Additivity
Table 3
Fit statistics of SUR using the system of the best linear models.
| Tree component | Weight function | Adj. (%) | (kg) | CV (%) | MRSE (kg) | MR (kg) | | |
| Roots | | 56.00 | 34.9040 | 73.1758 | 0.2750 | 0.3227* | 0.1503 | | Stem wood | | 22.17 | 116.6327 | 94.0069 | 0.5181 | 1.1685* | 1.7454 | | Stem bark | | −29.22 | 18.1996 | 128.1809 | 0.8488 | 0.1751* | 0.0432 | 1.0028 | Crown | | 81.50 | 28.5040 | 48.8144 | 1.4814 | −0.1298* | 0.1087 | | Total tree | | 63.19 | 249.5561 | 102.1272 | 0.2332 | 1.5366* | 14.4049 | |
|
|
“*” = significant at α ≥ 5%; “ ” = not significant at any probability level.
|