Table 2.

Alpha diversity indices of soil bacterial in different rice systems and areas.

Treatments	Shannon	Simpson	ACE	Chao1
RM	6.73 ab	0.0066 a	3451.68 ab	3476.27 ab
OP	6.97 a	0.0021 a	3450.48 ab	3488.81 ab
OA	6.93 a	0.0023 a	3444.52 a	3486.72 a
FP	6.59 b	0.0044 a	3115.12 b	3153.36 b
FA	6.60 ab	0.0049 a	3100.57 ab	3098.53 ab

Different letters within columns indicate significant differences at P < 0.05.