Table 4.

The spearman correlation analysis between relative abundance of dominant bacteria and soil physicochemical properties.

	Actinobacteria	Firmicutes	Proteobacteria	Bacteroidetes	Planctomycetes	Acidobacteria	Gemmatimonadetes	Chloroflexi	Verrucomicrobia	Cyanobacteria
pH	− 0.355	− 0.003	0.054	0.434*	0.106	0.13	0.027	− 0.263	0.183	0.21
TOC	0.346	− 0.026	− 0.101	0.049	0.026	0.026	− 0.377	0.311	− 0.049	− 0.291
TN	0.420*	− 0.122	0.087	− 0.035	− 0.224	− 0.096	− 0.151	0.349	− 0.035	− 0.384*
TP	− 0.026	− 0.279	0.314	0.278	0.012	0.12	0.178	− 0.065	− 0.125	− 0.12
TK	0.246	− 0.114	0.026	0.071	− 0.006	0.3	− 0.007	0.337	− 0.089	− 0.302
NN	0.018	− 0.083	− 0.004	0.351	− 0.04	0.028	− 0.564**	0.007	0.094	0.123
AN	0.226	− 0.024	− 0.162	− 0.137	0.174	0.049	0.067	0.196	0.395*	0.073
AP	0.445*	− 0.206	0.187	0.201	− 0.156	− 0.002	− 0.012	0.411*	− 0.123	− 0.492**
TS	0.443*	− 0.169	− 0.238	− 0.206	− 0.09	0.027	− 0.394*	0.394*	0.031	− 0.119

Spearman correlation table is drawn based on SPSS (SPSS 19.0; IBM Inc., Armonk, USA)⁸⁵.

r-value represents spearman correlation coefficient, between − 1 and 1, r < 0 is negative correlation, r > 0 is positive correlation *p < 0.05, **p < 0.01.