Table 2 Chemical characteristics of agricultural (AGRIC) and control (CON) soils (±SD)
Soil no. | Land use | Moisture (%) | pH (H2O) | TC (g kg−1) | POXC (g kg−1) | NH4-N (mg kg−1) | NO3-N (mg kg−1) | NO2-N (mg kg−1) |
|---|---|---|---|---|---|---|---|---|
1 | AGRIC | 8.20 ± 0.20 | 5.23 ± 0.06 | 9.80 ± 0.002 | 0.716 ± 0.01 | 0.012 ± 0.06 | 9.34 ± 0.08 | 0.110 ± 0.03 |
CON | 9.76 ± 0.11 | 6.27 ± 0.005 | 17.6 ± 0.12 | 0.546 ± 0.19 | 0.089 ± 0.05 | 1.68 ± 0.01 | 0.170 ± 0.01 | |
2 | AGRIC | 9.30 ± 0.10 | 4.66 ± 0.02 | 12.3 ± 0.04 | 0.460 ± 0.03 | 0.017 ± 0.01 | 7.37 ± 0.05 | 0.082 ± 0.01 |
CON | 11.16 ± 0.11 | 5.02 ± 0.02 | 14.0 ± 0.05 | 0.571 ± 0.01 | 0.041 ± 0.01 | 5.84 ± 0.03 | 0.103 ± 0.02 | |
3 | AGRIC | 12.56 ± 0.06 | 6.98 ± 0.02 | 19.60 ± 0.05 | 0.760 ± 0.05 | 0.431 ± 0.05 | 18.25 ± 0.06 | 0.100 ± 0.04 |
CON | 13.50 ± 0.10 | 7.08 ± 0.06 | 25.20 ± 0.14 | 0.946 ± 0.07 | 0.483 ± 0.02 | 7.57 ± 0.31 | 0.533 ± 0.03 | |
4 | AGRIC | 6.60 ± 0.10 | 5.45 ± 0.04 | 10.10 ± 0.04 | 0.621 ± 0.03 | 0.072 ± 006 | 25.53 ± 0.18 | 0.116 ± 0.01 |
CON | 12.56 ± 0.06 | 5.58 ± 0.04 | 20.60 ± 0.19 | 0.828 ± 0.06 | 0.689 ± 0.09 | 10.18 ± 0.15 | 0.208 ± 0.02 | |
5 | AGRIC | 9.23 ± 0.05 | 4.78 ± 0.006 | 8.30 ± 0.09 | 0.559 ± 0.06 | 0.014 ± 0.07 | 20.26 ± 0.07 | 0.096 ± 0.04 |
CON | 12.50 ± 0.08 | 5.58 ± 0.04 | 20.60 ± 0.19 | 0.828 ± 0.06 | 0.689 ± 0.09 | 10.20 ± 0.11 | 0.208 ± 0.02 | |
6 | AGRIC | 12.13 ± 0.15 | 6.93 ± 0.006 | 9.70 ± 0.06 | 0.536 ± 0.08 | 0.05 ± 0.003 | 14.48 ± 0.04 | 0.036 ± 0.05 |
CON | 12.76 ± 0.11 | 6.99 ± 0.03 | 34.90 ± 0.11 | 1.110 ± 0.03 | 0.412 ± 0.08 | 5.41 ± 0.14 | 0.866 ± 0.03 | |
7 | AGRIC | 5.66 ± 0.11 | 5.13 ± 0.006 | 8.80 ± 0.06 | 0.507 ± 0.09 | 0.018 ± 0.09 | 4.96 ± 0.06 | 0.080 ± 0.02 |
CON | 7.10 ± 0.17 | 5.40 ± 0.006 | 14.20 ± 0.11 | 0.575 ± 0.02 | 0.192 ± 0.08 | 1.75 ± 0.06 | 0.141 ± 0.01 | |
8 | AGRIC | 5.80 ± 0.16 | 4.74 ± 0.02 | 9.10 ± 0.05 | 0.526 ± 0.01 | 0.128 ± 0.04 | 21.90 ± 0.02 | 0.091 ± 0.01 |
CON | 10.40 ± 0.17 | 6.25 ± 0.03 | 18.00 ± 0.13 | 0.795 ± 0.05 | 4.938 ± 0.08 | 6.75 ± 0.05 | 0.102 ± 0.01 | |
9 | AGRIC | 5.20 ± 0.17 | 4.18 ± 0.05 | 9.80 ± 0.07 | 0.496 ± 0.07 | 0.140 ± 0.04 | 2.99 ± 0.03 | 0.105 ± 0.02 |
CON | 8.86 ± 0.11 | 5.64 ± 0.06 | 12.30 ± 0.08 | 0.621 ± 0.04 | 0.275 ± 0.03 | 2.19 ± 0.05 | 0.130 ± 0.01 | |
10 | AGRIC | 10.86 ± 0.11 | 5.58 ± 0.06 | 9.70 ± 0.06 | 0.611 ± 0.05 | 0.049 ± 0.01 | 27.17 ± 0.14 | 0.095 ± 0.01 |
CON | 12.51 ± 0.17 | 5.76 ± 0.01 | 15.90 ± 0.12 | 0.694 ± 0.07 | 3.389 ± 0.06 | 10.12 ± 0.07 | 0.862 ± 0.07 |