Table 4. Bacterial relative abundance on the Phylum level under different fertilization treatment (%).
| Phylum | Treatment | |||
|---|---|---|---|---|
| CK | NPK | M | MNPK | |
| Proteobacteria | 32.22 ± 5.72 a | 27.24 ± 1.78 a | 32.63 ± 3.81 a | 30.74 ± 0.13 a |
| Chloroflexi | 23.64 ± 3.76 a | 25.41 ± 0.42 a | 18.29 ± 1.93 b | 23.29 ± 1.66 a |
| Acidobacteria | 15.39 ± 2.56 b | 19.51 ± 1.32 a | 18.77 ± 1.97 ab | 17.42 ± 0.89 ab |
| Actinobacteria | 7.26 ± 0.67 a | 6.29 ± 0.72 a | 6.76 ± 0.71 a | 7.26 ± 0.94 a |
| Bacteroidetes | 5.70 ± 0.70 ab | 4.44 ± 0.64 b | 6.96 ± 0.56 a | 5.68 ± 1.13 ab |
| Gemmatimonadetes | 3.04 ± 0.73 a | 2.54 ± 0.17 ab | 1.79 ± 0.19 b | 2.24 ± 0.08 b |
| Verrucomicrobia | 1.67 ± 0.37 b | 3.11 ± 0.44 a | 2.06 ± 0.51 ab | 2.28 ± 0.85 ab |
| Nitrospirae | 2.34 ± 0.35 a | 1.71 ± 0.09 b | 1.83 ± 0.09 ab | 1.96 ± 0.37 ab |
| Latescibacteria | 1.09 ± 0.37 a | 1.21 ± 0.17 a | 1.53 ± 0.32 a | 1.39 ± 0.34 a |
| Planctomycetes | 0.76 ± 0.15 b | 0.94 ± 0.02 ab | 1.20 ± 0.39 a | 1.02 ± 0.10 ab |
| Cyanobacteria | 0.48 ± 0.19 b | 0.94 ± 0.48 ab | 1.52 ± 0.63 a | 0.67 ± 0.26 b |
Notes: Different small letters indicate significant differences (P < 0.05) within the same row. CK: no fertilization; NPK: chemical fertilizer; M: organic fertilizer; MNPK: constant organic-inorganic fertilizer. (n = 3, mean ± SE)