Research Article
Tree Growth Prediction in Relation to Simple Set of Site Quality Indicators for Six Native Tree Species in the Philippines
Table 5
Soil physical and chemical analysis from farmers’ cooperators sites.
| Site | pH | OM (%) | Total (gkg-1) | Extr- (mekg-1) | Exch- (mekg-1) | Bulk density (gcm-3) | Sand (%) | Silt (%) | Soil Class |
| 1 | 7.9 | 1.7 | 0.11 | 1.9 | 86.5 | 1.49 | 9.6 | 49.3 | Inceptisols | 2 | 8.0 | 1.1 | 0.13 | 5.1 | 147.1 | 1.49 | 32.6 | 33.9 | Inceptisols | 3 | 7.8 | 2.4 | 0.24 | 6.0 | 145.4 | 1.52 | 20.6 | 39.6 | Entisols | 4 | 7.8 | 2.3 | 0.27 | 2.1 | 59.8 | 1.71 | 13.6 | 39.8 | Entisols | 5 | 7.8 | 2.2 | 0.14 | 6.7 | 349.0 | 1.45 | 19.2 | 42.2 | Inceptisols | 6 | 7.9 | 1.8 | 0.16 | 1.1 | 120.6 | 1.49 | 9.6 | 43.3 | Inceptisols | 7 | 7.5 | 2.7 | 0.25 | 2.5 | 107.7 | 1.71 | 9.3 | 35.2 | Entisols | 8 | 7.9 | 2.5 | 0.29 | 3.3 | 91.5 | 1.49 | 20.0 | 40.7 | Inceptisols | 9 | 7.5 | 2.8 | 0.26 | 1.3 | 101.1 | 1.45 | 6.9 | 30.1 | Entisols | 10 | 8.0 | 1.3 | 0.11 | 1.8 | 95.0 | 1.71 | 17.0 | 35.6 | Inceptisols | 11 | 8.0 | 2.9 | 0.23 | 7.8 | 167.4 | 1.49 | 11.0 | 35.1 | Inceptisols | 12 | 8.0 | 2.6 | 0.26 | 3.9 | 63.6 | 1.45 | 49.7 | 28.1 | Inceptisols | 13 | 8.0 | 1.4 | 0.16 | 1.5 | 68.3 | 1.71 | 10.2 | 41.2 | Entisols | 14 | 8.1 | 1.2 | 0.17 | 2.2 | 126.0 | 1.73 | 10.3 | 42.2 | Inceptisols | 15 | 7.9 | 1.7 | 0.13 | 2.1 | 77.8 | 1.45 | 6.2 | 41.6 | Entisols | 16 | 7.9 | 2.9 | 0.21 | 2.4 | 109.9 | 1.49 | 12.7 | 39.1 | Inceptisols |
| Mean | 7.9 | 2.1 | 0.13 | 3.2 | 119.8 | 1.55 | 16.2 | 38.6 | — | SD | 0.2 | 0.6 | 0.03 | 2.1 | 68.6 | 0.11 | 11.2 | 5.3 | — |
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