Table 3. Correlations among soil properties and microbiological diversity parameters.

	Chao 1	ACE	Shannon index	Simpson index	SOM/(g/kg)	TN/(g/kg)	TP/(g/kg)	AK/(mg/kg)	pH
SOM/(g/kg)	0.771**	0.801**	0.867**	-0.813*	1
TN/(g/kg)	0.789**	0.821**	0.847**	-0.807*	-	1
TP/(g/kg)	0.715*	0.729*	0.792*	-0.659	-	-	1
AK/(mg/kg)	0.791	0.778	0.895	-0.889	-	-	-	1
pH	0.716*	0.688*	0.847*	-0.806*	-	-	-	-	1

**Significant at P<0.01; *significant at P<0.05; insignificant correlations were omitted

SOM, Soil organic matter; Total N, Total nitrogen; Total P, Total phosphorus; Available K, Available potassium