Land use | Horizon | Depth (cm) | OC (g∙kg−1) | TC (g∙kg−1) | C/N | pH | CEC (cmolc∙kg−1) | Exchangeable cation (cmolc∙kg−1) | Base satu. (%) | Available P (mg P2O5∙kg−1) | P absorption (mg∙100g−1) | ||||
H2O | KCl | Ca | Mg | K | Na | ||||||||||
Upland field (STM 1) | Ap1 | 0 - 16 | 36.0 | 3.0 | 12.1 | 6.4 | 5.8 | 34.6 | 19.9 | 5.4 | 0.7 | 0.1 | 75.0 | 441 | 2191 |
Ap2 | 16 - 30 | 35.9 | 3.0 | 12.0 | 6.2 | 5.7 | 33.0 | 19.8 | 5.4 | 0.4 | 0.1 | 78.1 | 386 | 2233 | |
AB | 30 - 43 | 28.5 | 2.2 | 12.9 | 6.1 | 5.7 | 27.5 | 15.5 | 4.1 | 0.1 | 0.1 | 71.9 | 105 | 2429 | |
Bw1 | 43 - 70 | 18.2 | 1.4 | 13.5 | 6.4 | 5.7 | 29.1 | 7.1 | 1.5 | 0.1 | 0.1 | 30.1 | 8 | 2490 | |
Bw2 | 70 - 90 | 17.0 | 1.3 | 13.2 | 6.4 | 5.8 | 22.3 | 7.8 | 1.5 | 0.2 | 0.1 | 43.1 | 6 | 2502 | |
2B | 90 - 100+ | 27.1 | 1.8 | 14.7 | 6.5 | 5.8 | 33.6 | 10.3 | 1.3 | 0.3 | 0.1 | 35.5 | 7 | 2532 | |
Secondary forest (STM2) | Oie | +1 - 0 | |||||||||||||
A1 | 0 - 10 | 90.4 | 7.4 | 12.3 | 5.1 | 4.3 | 38.5 | 1.1 | 0.5 | 0.4 | 0.1 | 5.5 | 63 | 2356 | |
A2 | 10 - 22 | 60.7 | 3.9 | 15.7 | 5.0 | 4.5 | 43.0 | 0.2 | 0.1 | 0.1 | 0.1 | 1.4 | 27 | 2468 | |
A3 | 22 - 38 | 62.6 | 4.0 | 15.7 | 5.2 | 4.6 | 27.2 | 0.8 | 0.3 | 0.1 | 0.1 | 4.6 | 15 | 2479 | |
A4 | 38 - 50 | 48.3 | 3.3 | 14.5 | 5.4 | 4.8 | 28.9 | 0.9 | 0.6 | 0.1 | 0.1 | 6.2 | 6 | 2497 | |
Bw1 | 50 - 72 | 33.3 | 2.5 | 13.4 | 5.5 | 5.1 | 22.0 | 0.6 | 0.5 | 0.1 | 0.1 | 5.1 | 3 | 2400 | |
Bw2 | 72 - 100+ | 21.4 | 1.9 | 11.2 | 5.5 | 5.1 | 28.9 | 0.6 | 0.5 | 0.1 | 0.1 | 4.1 | 3 | 2415 |