Table 2.

Two-way ANOVA showing the effects of arbuscular mycorrhizal fungi (AMF) and saline–alkali stress (S) on the diversity indices (Shannon and Simpson) and richness indices (Ace and Chao) of bacteria and fungi in tall fescue rhizosphere soil.

Index	Shannon				Simpson				Ace				Chao
	Bacteria		Fungi		Bacteria		Fungi		Bacteria		Fungi		Bacteria		Fungi		F	P	F	P	F	P	F	P	F	P	F	P	F	P	F	P
	Arbuscular mycorrhizal fungi (M)	83.066	<0.001	24.077	<0.001	174.975	<0.001	47.780	<0.001	5.794	0.022	22.127	<0.001	29.544	<0.001	14.078	<0.001
Saline–alkali stress (S)	22.943	<0.001	7.711	<0.001	16.320	<0.001	5.783	0.003	1.024	0.395	9.561	<0.001	3.268	0.034	4.024	0.015
M × S	2.944	0.048	3.008	0.045	17.216	<0.001	0.610	0.614	0.109	0.954	0.306	0.821	0.070	0.975	0.014	0.998

Bold numbers indicate significant differences at the 0.05 level.