Table 3.

OTU richness and diversity indices using a subset of sequences per treatment.

Treatments	OTUs	ACE	Chao	Shannon index	Coverage (%)
Bradyrhizobium elkanii H255
N+ rhizosphere	771	2,692	1,586	3.02	95.6
N+ nodule	250	1,339	645	1.71	98.5
N− rhizosphere	716	2,663	1,490	3.52	95.9
N− nodule	247	890	573	1.47	98.6
Rhizobium multihospitium-like HT221
N+ rhizosphere	1,114	1,613	1,526	4.70	95.9
N+ nodule	267	1,220	768	1.77	98.4
N− rhizosphere	697	2,674	1,632	3.40	95.9
N− nodule	569	1,557	1,147	3.30	97.2
Burkholderia pyrrocinia-like H022238
N+ rhizosphere	890	2,580	1,724	3.35	95.2
N+ nodule	345	1,126	793	1.64	98.1
N− rhizosphere	844	2,047	1,603	3.75	95.7
N− nodule	423	1,656	1,036	2.59	97.6
No inoculation
N+ rhizosphere	819	2,584	1,642	3.26	95.3
N+ nodule	439	1,049	777	3.26	98.0
N− rhizosphere	555	2,752	1,362	3.15	96.5
N− nodule	379	1,100	742	2.50	98.1

Data were obtained via analyzing the mean OTU value of two replicates of each treatment.