Research Article
Tree Growth Prediction in Relation to Simple Set of Site Quality Indicators for Six Native Tree Species in the Philippines
Table 6
Stepwise multiple regressions analysis to explain growth performance in relation to site indicators.
| Site Indicators | Adjusted (%) | Landscape Position | Soil Type | Soil Texture | Soil Chemistry | S. contorta | V. parvifora | P. indicus | A. heterophyllus | D. dao | A. rhomboidea |
| X | | | | 5.9 | 1.9 | 29.3 | 9.7 | 6.6 | 31.3 | | X | | | 3.6 | 4.7 | 24.5 | 9.7 | 2.7 | 11.3 | | | X | | 9.5 | 2.3 | 7.4 | 46.1 | 1.5 | 3.5 | | | | X | 30.5 | 9.7 | 6.5 | 71.8 | 18.1 | 26.4 | X | X | | | 9.2 | 9.5 | 35.7 | 23.0 | 6.0 | 37.5 | X | | X | | 11.7 | 2.9 | 36.8 | 72.7 | 5.2 | 35.5 | X | | | X | 33.2 | 14.0 | 38.0 | 75.0 | 22.3 | 50.0 | | X | X | | 10.9 | 5.2 | 23.8 | 62.7 | 9.4 | 8.5 | | X | | X | 32.0 | 13.1 | 24.6 | 75.7 | 20.3 | 33.9 | | | X | X | 38.6 | 8.7 | 16.4 | 71.0 | 20.9 | 24.6 | X | X | X | | 12.1 | 9.7 | 39.4 | 72.7 | 4.9 | 32.7 | X | X | | X | 33.2 | 13.8 | 37.6 | 70.0 | 21.8 | 44.8 | X | | X | X | 39.8 | 13.3 | 40.0 | 75.6 | 26.3 | 48.0 | | X | X | X | 38.7 | 12.3 | 42.1 | 75.6 | 22.9 | 32.7 | X | X | X | X | 39.5 | 12.9 | 39.4 | 74.2 | 25.6 | 50.5 |
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