Horizon | pH | OC | TN | Exchangeable cation (cmolc kg−1) | CEC (cmolc kg−1) | Base-satu. (%) | \({\text{NO}}_{3}^{ - }\) (mg kg−1) | Available P (mg kg−1) | P absorption (mg 100 g−1) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
H2O | KCl | (g kg−1) | Ca2+ | Mg2+ | K+ | Na+ | |||||||
E-UF | |||||||||||||
 Ap | 6.2 | 5.07 | 55.2 | 3.4 | 9.78 | 0.93 | 0.41 | 0.04 | 17.8 | 62.7 | 9.88 | 112.0 | 970 |
 A1 | 6.1 | 5.05 | 56.1 | 3.4 | 10.01 | 0.94 | 0.21 | 0.06 | 17.3 | 64.9 | 9.25 | 119.6 | 1170 |
 A2 | 6.0 | 4.96 | 53.9 | 3.2 | 9.53 | 0.84 | 0.14 | 0.06 | 18.6 | 57.0 | 9.39 | 84.1 | 1314 |
 2A3 | 5.4 | 4.48 | 168.8 | 9.4 | 7.14 | 0.30 | 0.33 | 0.17 | 51.5 | 15.4 | 23.36 | n.d. | 2924 |
 3AB | 5.6 | 4.93 | 74.5 | 4.8 | 3.36 | 0.23 | 0.38 | 0.08 | 27.3 | 14.9 | 15.35 | n.d. | 2707 |
 4Bw | 5.7 | 5.40 | 20.3 | 1.5 | 2.27 | 0.23 | 0.09 | 0.12 | 11.0 | 24.7 | 15.16 | n.d. | 2123 |
E-CF | |||||||||||||
 Ap1 | 6.5 | 5.30 | 44.8 | 2.7 | 12.54 | 0.94 | 0.45 | 0.05 | 18.7 | 74.7 | 4.10 | 233.1 | 1223 |
 Ap2 | 6.3 | 5.27 | 40.5 | 2.5 | 14.05 | 1.45 | 0.28 | 0.05 | 20.2 | 78.2 | 5.80 | 293.2 | 1282 |
 Ap3 | 6.4 | 5.37 | 54.1 | 3.1 | 13.94 | 1.25 | 0.24 | 0.05 | 19.8 | 78.2 | 3.55 | 270.8 | 1386 |
 2A | 5.6 | 4.66 | 163.2 | 9.1 | 10.43 | 0.72 | 0.35 | 0.09 | 45.6 | 25.4 | 4.36 | n.d. | 2876 |
 3AB | 5.7 | 5.23 | 39.6 | 2.8 | 2.42 | 0.24 | 0.35 | 0.06 | 17.5 | 17.5 | 3.21 | n.d. | 2570 |
 4Bw | 5.7 | 5.49 | 11.9 | 0.9 | 1.38 | 0.11 | 0.23 | 0.07 | 7.1 | 25.4 | 3.43 | n.d. | 1729 |
N-UF | |||||||||||||
 Ap | 5.6 | 4.32 | 38.0 | 3.0 | 8.89 | 2.85 | 0.74 | 0.13 | 28.7 | 44.0 | 15.08 | 244.6 | 1561 |
 A1 | 5.6 | 4.28 | 35.2 | 2.7 | 8.24 | 2.84 | 0.40 | 0.15 | 28.4 | 40.9 | 3.35 | 77.1 | 1522 |
 A2 | 6.0 | 4.74 | 30.9 | 2.4 | 13.17 | 3.14 | 0.28 | 0.49 | 30.3 | 56.3 | 2.80 | n.d. | 2052 |
 AB | 5.9 | 4.84 | 38.4 | 2.8 | 10.01 | 2.10 | 0.12 | 0.41 | 30.6 | 41.3 | 3.46 | n.d. | 2466 |
 Bw1 | 5.9 | 5.37 | 28.5 | 2.5 | 7.53 | 1.38 | 0.13 | 0.19 | 24.8 | 37.2 | 10.13 | n.d. | 2723 |
 Bw2 | 6.2 | 5.66 | 15.7 | 1.4 | 6.99 | 1.62 | 0.14 | 0.20 | 22.0 | 40.7 | 10.56 | n.d. | 2939 |
N-CF | |||||||||||||
 Ap | 6.4 | 5.09 | 43.0 | 3.3 | 15.02 | 3.71 | 1.79 | 0.09 | 35.4 | 58.3 | 9.06 | 201.9 | 1572 |
 A1 | 6.1 | 4.76 | 34.1 | 2.5 | 11.37 | 2.81 | 1.57 | 0.09 | 23.2 | 68.3 | 3.57 | 68.1 | 1614 |
 A2 | 5.6 | 4.82 | 41.4 | 2.7 | 12.80 | 2.88 | 1.67 | 0.19 | 34.4 | 51.0 | 3.70 | n.d. | 2147 |
 AB | 5.9 | 5.12 | 34.6 | 2.6 | 6.00 | 2.21 | 0.25 | 0.24 | 29.1 | 29.9 | 13.44 | n.d. | 2518 |
 Bw | 5.9 | 5.45 | 22.6 | 2.0 | 10.46 | 1.31 | 0.11 | 0.13 | 21.2 | 56.6 | 21.40 | n.d. | 2681 |