Table 2.

The relative abundance of the top four phyla.

Sample ID	Proteobacteria	Firmicutes	Bacteroidota	Actinobacteriota
CK	59.18 ± 13.26 b	17.74 ± 4.85 b	8.32 ± 2.56 b	7.85 ± 3.79 a
A	99.43 ± 0.07 a	0.27 ± 0.05 c	0.08 ± 0.01 c	0.11 ± 0.05 b
CP	94.34 ± 2.32 a	3.02 ± 1.28 c	0.20 ± 0.10 c	0.67 ± 0.23 b
N	98.13 ± 0.60 a	0.96 ± 0.24 c	0.57 ± 0.34 c	0.07 ± 0.01 b
P	99.52 ± 0.12 a	0.28 ± 0.16 c	0.07 ± 0.01 c	0.09 ± 0.04 b
PL	32.75 ± 18.59 b	32.92 ± 8.90 a	15.06 ± 4.06 a	2.80 ± 0.86 b
PS	95.63 ± 2.93 a	0.30 ± 0.07 c	0.12 ± 0.02 c	0.03 ± 0.00 b

Data are the mean ± SE. The a, b and c indicate the significant differences in relative abundance in the same column in the mean values. The same lowercase letter indicates that these is no significant difference between the groups, and different letters indicate that the differences between the groups is significant (one-way ANOVA, Tukey post-hoc test, p < 0.05).