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 𝑁 (g⋅kg^-1)	Extr-𝑃 (me⋅kg^-1)	Exch-𝐾 (me⋅kg^-1)	Bulk density (g⋅cm^-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	—