Humid coastal | Sub-humid low fertility | Sub-humid high fertility | Humid montane | Semi-arid high fertility | Semi-arid low fertility | |
---|---|---|---|---|---|---|
Sand (g kg−1) | 620 | 864 | 631 | 478 | 693 | 790 |
Clay (g kg−1) | 280 | 62 | 140 | 89 | 178 | 180 |
pH | 5.0 | 5.3 | 5.2 | 5.2 | 6.8 | 4.8 |
P (mg kg−1) | 4.4 | 4.5 | 2.8 | 11.0 | 4.4 | 0.7 |
Ca (mmol kg−1) | 10.0 | 8.7 | 25.0 | 45.0 | 16.0 | 1.3 |
Mg (mmol kg−1) | 9.0 | 5.8 | 11.0 | 20.0 | 10.0 | 2.3 |
Al (mmol kg−1) | 0.4 | 2.1 | 3.0 | 0.3 | 1.5 | 4.0 |