Table 5.
Relationship between soil properties, earthworms and major bacterial phyla in different agriculture management scenarios.
| Bacterial phyla | pH | EC (dSm−1) | SOC (g kg−1) | N (kg ha−1) | P (kg ha−1) | K (kg ha−1) | Fe (mg kg−1) | Mn (mg kg−1) | Zn (mg kg−1) | Cu (mg kg−1) |
|---|---|---|---|---|---|---|---|---|---|---|
| Earthworms | −0.38 | −0.02 | 0.28 | 0.54 | 0.54 | 0.57 | 0.27 | 0.26 | −0.41 | 0.65* |
| Proteobacteria | −0.93** | 0.22 | 0.12 | 0.36 | 0.36 | 0.38 | 0.65 | 0.67* | −0.07 | 0.34 |
| Actinobacteria | −0.25 | −0.02 | −0.41 | 0.29 | 0.29 | 0.52 | 0.28 | −0.25 | −0.04 | 0.50 |
| Firmicutes | 0.65* | −0.11 | 0.40 | −0.16 | −0.16 | −0.48 | −0.57 | −0.12 | −0.26 | −0.32 |
| Acidobacteria | 0.43 | 0.00 | 0.36 | −0.20 | −0.20 | −0.44 | −0.18 | 0.12 | 0.30 | −0.39 |
| Chloroflexi | −0.66* | 0.14 | 0.09 | −0.01 | −0.01 | 0.11 | 0.05 | 0.46 | −0.46 | 0.00 |
| Crenarchaeota | −0.54 | 0.19 | 0.20 | 0.13 | 0.13 | 0.19 | −0.05 | 0.43 | −0.55 | 0.14 |
| Bacteroidetes | −0.68* | 0.38 | 0.54 | 0.46 | 0.46 | 0.31 | 0.40 | 0.84* | −0.12 | 0.34 |
| Verrucomicrobia | 0.43 | 0.16 | 0.50 | −0.22 | −0.22 | −0.47 | −0.45 | 0.21 | 0.08 | −0.44 |
| Gemmatimonadetes | 0.21 | 0.19 | 0.43 | 0.14 | 0.14 | 0.01 | 0.13 | 0.30 | 0.56 | 0.01 |
| Nitrospirae | 0.31 | 0.17 | 0.32 | 0.37 | 0.37 | 0.27 | 0.25 | 0.10 | 0.65* | 0.33 |
*Significance at the p < 0.05; **Significance at the p < 0.001.