. 2017 May 2;12(5):e0175934. doi: 10.1371/journal.pone.0175934

Table 7. Correlation coefficient between soil microbial and enzyme activity.

	BN	FN	AN	AA	ANA	NB	DB	UR	AP	HP	Y
BN	1
FN	0.28	1
AN	0.3	0.09	1
AA	0.48^*	0.43^*	0.42	1
ANA	0.58^**	0.49^*	0.27	0.50^*	1
NB	0.44^*	0.32	0.55^*	0.53^*	0.25	1
DB	0.35	0.32	0.40	0.38	0.54^*	0.07	1
UR	0.56^**	0.12	0.53^*	0.53^*	0.44^*	0.38	0.61^**	1
AP	0.66^**	0.46^*	0.23	0.38	0.41	0.23	0.51^*	0.71^**	1
HP	0.22	–0.07	0.40	0.39	0.51^*	0.19	0.37	0.64^**	0.28	1
Y	0.50^*	–0.49^*	0.39	0.45^*	0.41	0.46^*	0.21	0.39	0.48^*	0.44^*	1

BN, Bacteria (10³ CFU /g), FN, Fungi (10² CFU /g), AN, Actinomycetes (10² CFU /g), AA, Aerobic azotobacter (10² CFU /g), ANA, Anaerobic azotobacter (10⁴ CFU /g), NB, Nitrifying bacteria (10³ CFU /g), DB, Denitrifying bacteria (10³ CFU /g), UR, Urease (mg g^–1), AP, Alkaline phosphatase (mg g^–1), HP, Hydrogen peroxidase (ml g^–1), Y, Tuber yield (Kg/ha).

* and **: statistically significant at P < 0.05 and P < 0.01, respectively.