TABLE 4.

Pearson correlation coefficients between soil properties, soil bacterial community, and rice grain yield.

	SOC	TN	AN	MBC	MBN	OTU
TN	0.99**
AN	0.93**	0.92**
MBC	0.99**	0.97**	0.92**
MBN	0.99**	0.98**	0.92**	0.98**
OUT	0.56*	0.27	0.12	0.62*	0.57*
GY	0.79**	0.71*	0.71*	0.84**	0.79**	0.21

SOC, soil organic carbon; TN, total nitrogen; AN, available nitrogen; MBC, microbial biomass carbon; MBN, microbial biomass nitrogen; OUTs, operational taxonomic units; GY, grain yield. *P < 0.05, **P < 0.01.