Table 3 The physicochemical properties of soils under different fertilization treatments
Sample | pH | OM g/kg | TN g/kg | TP g/kg | TK g/kg | AN mg/kg | AP mg/kg | AK mg/kg |
|---|---|---|---|---|---|---|---|---|
CK | 5.94 ± 0.10d | 41.93 ± 2.79b | 1.41 ± 0.91b | 0.49 ± 0.10b | 13.06 ± 1.57a | 235.66 ± 8.08c | 13.43 ± 1.21c | 38.78 ± 10.46a |
UF | 4.63 ± 0.03a | 46.11 ± 7.08b | 1.59 ± 0.10ab | 0.47 ± 0.08b | 13.37 ± 0.55a | 277.66 ± 8.08b | 13.09 ± 1.03c | 44.16 ± 2.56a |
RNF | 5.51 ± 0.12c | 53.33 ± 2.20a | 1.79 ± 0.22a | 0.64 ± 0.23a | 12.68 ± 0.28a | 336.00 ± 12.12a | 26.16 ± 3.50b | 47.11 ± 4.70a |
REF | 5.15 ± 0.29b | 50.07 ± 9.35a | 1.79 ± 0.15a | 0.68 ± 0.11a | 12.75 ± 1.34a | 350.00 ± 12.12a | 39.35 ± 4.69a | 51.95 ± 5.89a |