Official Journal of the Japan Wood Research Society
From: Surface growth stress and wood properties of 8-year-old planted Big-leaf mahogany (Swietenia macrophylla King) from different landrace provenances and trial sites in the Philippines
Trial site
Location
Altitude (m)
Annual rainfall (mm)
Soil
Latitude
Longitude
pH
Organic matter (%)
Phosphorus (ppm)
Potassium (ppm)
Butuan
8°56′N
125°35′E
13–15
2057
6.8
1.2
4.5
144
Cagayan de Oro
8°23′N
124°42′E
413–415
1703
5.8
1.3
48
