. 2016 Nov 28;6(2):254. doi: 10.1007/s13205-016-0567-7

Table 2.

Effect of silver nanoparticles on Shannon bacterial diversity index of soil (without plants)

Treatments	Total bacteria			N fixers			P solubilizers
Treatments	20 DAT	40 DAT	Mean	20 DAT	40 DAT	Mean	20 DAT	40 DAT	Mean
0 ppm	1.525^b	1.556^c	1.541^a	0.093^b	0.093^b	0.093^b	0.042^a	0.035^a	0.039^a
50 ppm	1.445^a	1.625^d	1.535^b	0.088^a	0.084^a	0.086^a	0.055^a	0.079^b	0.067^b
75 ppm	1.496^b	1.603^d	1.549^a	0.064^a	0.078^a	0.071^a	0.054^a	0.107^c	0.080^b
Mean	1.489^a	1.595^b		0.082^a	0.085^a		0.050^a	0.074^b
	cd at 5%			cd at 5%			cd at 5%
Time interval (T)	0.019			0.015			0.015
Concentration (C)	0.024			0.019			0.018
T × C	0.034			0.026			0.025

Values are the means of three replicates

Means sharing different alphabets “a”–“d” differ significantly from each other at p < 0.05