| No | Experimental treatments | Bacterial biomass (×108 cells g−1) | N circulation activity (point) | NH+ 4 oxidation activity (point) | NO− 2 oxidation activity (point) | P circulation activity (point) | |
| 1 | Natural farming | 2.6 | 22 | 15 | 99 | 10 | |
| 2 | Natural farming | 10.0 | 47 | 58 | 52 | 16 | |
| 3 | Natural farming | 7.5 | 75 | 82 | 79 | 23 | |
| 4 | Organic farming | 7.6 | 100 | 100 | 100 | 40 | |
| 5 | Organic farming | 4.5 | 39 | 75 | 40 | 29 | |
| 6 | Organic farming | 12.4 | 99 | 100 | 99 | 16 | |
| 7 | Hybrid farming | 6.6 | 48 | 30 | 89 | 1 | |
| 8 | Hybrid farming | 7.2 | 30 | 40 | 36 | 16 | |
| 9 | Hybrid farming | 4.8 | 41 | 23 | 90 | 32 | |
| 10 | Conventional farming | 1.8 | 7 | 10 | 47 | 0 | |
| 11 | Conventional farming | 3.0 | 10 | 6 | 51 | 1 | |
| 12 | Conventional farming | 5.1 | 1 | 4 | 0 | 0 |