Table 1.
Soil physicochemical properties of rice straw returning and earthworm addition.
| pH | SOC % | TN % | TP % | AN mg·kg−1 | AP mg·kg−1 | NH4+-N mg·kg−1 | NO3−-N mg·kg−1 | |
|---|---|---|---|---|---|---|---|---|
| CK | 8.36 ± 0.06a | 1.63 ± 0.09b | 1.32 ± 0.05b | 2.2 ± 0.1b | 33.09 ± 1.51c | 38.86 ± 2.11d | 18.93 ± 1.01c | 1.6 ± 0.07d |
| RT | 8.21 ± 0.07b | 2.45 ± 0.14a | 1.45 ± 0.09ab | 2.49 ± 0.12a | 47.81 ± 3.1b | 49.92 ± 2.01c | 24.64 ± 1.11b | 1.81 ± 0.12c |
| SR | 8.25 ± 0.04b | 2.38 ± 0.11a | 1.53 ± 0.08a | 2.39 ± 0.14ab | 48.17 ± 2.41b | 52.17 ± 2.79bc | 25.24 ± 1.42b | 1.87 ± 0.08bc |
| W | 8.18 ± 0.04b | 2.31 ± 0.17a | 1.61 ± 0.11a | 2.36 ± 0.06ab | 55.66 ± 2.5a | 55.57 ± 3.03ab | 30.04 ± 1.57a | 1.98 ± 0.1ab |
| SRW | 8.16 ± 0.05b | 2.54 ± 0.15a | 1.62 ± 0.1a | 2.31 ± 0.13ab | 56.77 ± 2.78a | 59.34 ± 2.84a | 32 ± 1.46a | 2.08 ± 0.04a |
Dates in the table are Mean ± SE; Different letters in the same column indicate a significant difference (p < 0.05).