Soil property | Elevation gradient | Land use system | Mean ± SE | ||
---|---|---|---|---|---|
Cultivated land | Grazing land | Forest land | |||
pH-H2O | Upper | 5.85a ± 0.19 | 5.64a ± 0.19 | 5.99a ± 0.19 | 5.82 ± 0.11 |
Middle | 5.56a ± 0.19 | 5.61a ± 0.19 | 5.83a ± 0.19 | 5.67 ± 0.11 | |
Lower | 6.13a ± 0.19 | 5.62b ± 0.19 | 5.78b ± 0.19 | 5.84 ± 0.11 | |
 | Mean ± SE | 5.84a ± 0.11 | 5.69a ± 0.11 | 5.79a ± 0.11 | 5.78 ± 0.07 |
OC | Upper | 1.01b ± 0.48 | 2.05b ± 0.48 | 3.89a ± 0.48 | 2.32 ± 0.28 |
Middle | 1.12b ± 0.48 | 2.49ab ± 0.48 | 3.04a ± 0.48 | 2.22 ± 0.28 | |
Lower | 1.09b ± 0.48 | 2.69ab ± 0.48 | 3.07a ± 0.48 | 2.29 ± 0.28 | |
 | Mean ± SE | 1.07c ± 0.28 | 2.41b ± 0.28 | 3.33a ± 0.28 | 2.27 ± 0.16 |
TN | Upper | 0.09b ± 0.03 | 0.13b ± 0.03 | 0.21a ± 0.03 | 0.14 ± 0.02 |
Middle | 0.08a ± 0.03 | 0.17a ± 0.03 | 0.18a ± 0.03 | 0.14 ± 0.02 | |
Lower | 0.08b ± 0.03 | 0.18b ± 0.03 | 0.21a ± 0.03 | 0.16 ± 0.02 | |
 | Mean ± SE | 0.08b ± 0.02 | 0.17a ± 0.02 | 0.20a ± 0.02 | 0.15 ± 0.01 |
C:N | Upper | 11.22b ± 2.02 | 15.89a ± 2.02 | 18.71a ± 2.02 | 15.27 ± 1.17 |
Middle | 14.38a ± 2.02 | 13.83a ± 2.02 | 18.57a ± 2.02 | 15.59 ± 1.17 | |
Lower | 13.36a ± 2.02 | 14.59a ± 2.02 | 15.04a ± 2.02 | 14.44 ± 1.17 | |
 | Mean ± SE | 12.98b ± 1.17 | 14.77ab ± 1.17 | 17.56a ± 1.17 | 15.11 ± 0.67 |
Av.P | Upper | 45.00a ± 4.73 | 18.63b ± 4.73 | 27.80ab ± 4.73 | 30.47 ± 2.73 |
Middle | 27.83a ± 4.73 | 14.93a ± 4.73 | 13.10a ± 4.73 | 18.62 ± 2.73 | |
Lower | 54.17a ± 4.73 | 20.30b ± 4.73 | 23.03b ± 4.73 | 32.5 ± 2.73 | |
 | Mean ± SE | 42.33a ± 2.73 | 17.95b ± 2.73 | 21.31b ± 2.73 | 27.2 ± 1.58 |