Table 1 Soil chemical properties
Chemical index | pH | Rapidly available nitrogen (mg/kg) | Total nitrogen (mg/g) | Available phosphorus (mg/kg) | Total phosphorus (g/kg) | Whole potassium (g/kg) | Rapidly available potassium (mg/kg) | Organic matter (g/kg) |
|---|---|---|---|---|---|---|---|---|
Treatment group | ||||||||
CK0 | 8.81 ± 0.01ab | 18.27 ± 0.71b | 4.83 ± 0.34e | 12.11 ± 1.18c | 0.83 ± 0.07b | 11.05 ± 0.34a | 209.57 ± 1.41c | 6.70 ± 0.17c |
CK1 | 8.91 ± 0.01a | 19.21 ± 1.25ab | 9.95 ± 0.43a | 13.36 ± 0.44bc | 0.95 ± 0.02a | 11.05 ± 0.44a | 265.42 ± 26.91b | 7.43 ± 0.32b |
T1 | 8.68 ± 0.02c | 18.97 ± 1.04ab | 6.00 ± 0.35d | 12.59 ± 0.56bc | 0.89 ± 0.08b | 11.02 ± 1.45a | 296.83 ± 12.35a | 8.73 ± 0.06a |
T2 | 8.78 ± 0.05bc | 18.39 ± 0.53b | 7.30 ± 0.39c | 13.73 ± 0.60ab | 0.98 ± 0.02a | 11.22 ± 0.60a | 293.25 ± 8.66a | 7.57 ± 0.25b |
T3 | 8.86 ± 0.12ab | 20.48 ± 0.44a | 8.61 ± 0.44b | 14.76 ± 0.42a | 1.02 ± 0.01a | 11.42 ± 0.44a | 300.41 ± 8.64a | 8.83 ± 0.75a |