Table 3.
depth | land use | n | pH (KCl) | pH (H2O) | Mehlich P | K+ | Ca2+ | Mg2+ | Al3+ | Al sat | base sat |
---|---|---|---|---|---|---|---|---|---|---|---|
10 | forest | 7 | 3.84 (0.21) | 4.53 (0.22) | 8.43 (1.7) | 0.76 (.11) | 9.71 (8.4) | 3.86 (2.9) | 16.9 (3.0) | 74.0 (12) | 12.6 (8.9) |
new soya bean | 13 | 5.13 (0.19) | 5.98 (0.16) | 60.4 (28) | 1.77 (0.32) | 22.1 (4.0) | 10.9 (1.7) | 1.23 (0.51) | 6.31 (3.1) | 59.3 (6.6) | |
old soya bean | 14 | 5.31 (0.07) | 6.15 (0.07) | 27 (11) | 1.29 (0.32) | 26.7 (2.3) | 16.2 (1.5) | 0.07 (0.07) | 0.21 (0.21) | 63.5 (2.8) | |
20 | forest | 7 | 3.96 (0.09) | 4.54 (0.20) | 3.29 (0.68) | 0.31 (0.04) | 4.00 (2.7) | 2.00 (1.0) | 11.3 (1.9) | 71.4 (11) | 9.57 (4.8) |
new soya bean | 14 | 4.73 (0.16) | 5.54 (0.18) | 7.36 (1.8) | 0.65 (0.13) | 9.36 (1.8) | 6.57 (1.6) | 2.86 (0.84) | 21.7 (7.5) | 33.9 (5.6) | |
old soya bean | 14 | 4.86 (0.13) | 5.81 (0.11) | 13.1 (4.8) | 0.99 (0.14) | 15.4 (2.0) | 8.57 (1.1) | 1.36 (0.48) | 8.43 (3.6) | 45.2 (4.3) | |
50 | forest | 8 | 4.10 (0.10) | 4.78 (0.17) | 2.12 (0.35) | 0.11 (0.01) | 3.00 (1.5) | 1.38 (0.37) | 7.38 (1.0) | 66.8 (9.3) | 13.8 (5.8) |
new soya bean | 13 | 4.22 (0.05) | 4.72 (0.09) | 2.15 (0.37) | 0.20 (0.04) | 1.31 (0.17) | 1.15 (0.10) | 4.85 (0.90) | 59.8 (4.5) | 9.69 (0.89) | |
old soya bean | 14 | 4.39 (0.10) | 5.24 (0.13) | 1.86 (0.31) | 0.29 (0.03) | 3.71 (0.95) | 2.00 (0.36) | 3.57 (0.57) | 39.1 (6.6) | 17.9 (3.4) | |
100 | forest | 2 | 4.20 (0.0) | 4.80 (0.10) | 1.00 (0.0) | 0.10 (0.0) | 3.00 (1.0) | 1.00 (0.0) | 4.00 (0.0) | 50.0 (6.0) | 17.5 (5.5) |
new soya bean | 3 | 4.87 (0.27) | 4.43 (0.03) | 1.67 (0.33) | 0.100 (0.0) | 1.67 (0.67) | 1.00 (0.0) | 4.00 (2.0) | 53.7 (13.5) | 16.0 (3.8) | |
old soya bean | 6 | 5.03 (0.09) | 5.42 (0.13) | 1.50 (0.22) | 0.13 (0.02) | 3.50 (1.6) | 1.33 (0.21) | 0.17 (0.17) | 1.67 (1.67) | 20.7 (5.8) | |
200 | forest | 2 | 4.50 (0.10) | 4.80 (0.20) | 1.50 (0.50) | 0.10 (0.0) | 3.50 (1.5) | 1.00 (0.0) | 1.50 (0.50) | 26.5 (12.5) | 16.5 (9.5) |
new soya bean | 4 | 4.58 (0.14) | 4.90 (0.18) | 1.75 (0.25) | 0.12 (0.02) | 1.50 (0.50) | 1.00 (0.0) | 1.50 (0.87) | 29.3 (14) | 15.5 (4.1) | |
old soya bean | 6 | 5.33 (0.13) | 5.57 (0.15) | 1.33 (0.21) | 0.10 (0.0) | 3.67 (1.5) | 1.17 (0.17) | 0.17 (0.17) | 1.67 (1.67) | 25.2 (5.0) |