Impact of silver nanoparticles (AgNP) on soil microbial community depending on functionalization, concentration, exposure time, and soil texture

Environmental Sciences Europe

Table 4 Pairwise comparisons (p) of the post-hoc test, N = 2400

	AgPure	Ag10-COOH	Ag10-NH₂	AgNO₃	KNO₃
1 days
AgPure		0.007	0.000	ns	0.042
Ag10-COOH	0.007		ns	ns	ns
Ag10-NH₂	0.000	0.000		0.011	ns
AgNO₃	ns	ns	0.011		ns
KNO₃	0.042	ns	ns	ns
14 days
AgPure	ns	ns	0.015	0.000	0.015
Ag10-COOH	ns		ns	0.021	ns
Ag10-NH₂	0.015	ns		ns	ns
AgNO₃	0.000	0.021	ns		ns
KNO₃	0.015	ns	ns	ns	ns
28 days
AgPure		ns	ns	0.001	ns
Ag10-COOH	ns		0.037	0.000	ns
Ag10-NH₂	ns	0.037		0.018	ns
AgNO₃	0.001	0.000	0.018		0.000
KNO₃	ns	ns	ns	0.000
90 days
AgPure		0.000	ns	ns	0.000
Ag10-COOH	0.000		0.000	0.000	ns
Ag10-NH₂	ns	0.000		ns	0.000
AgNO₃	ns	0.000	ns		0.000
KNO₃	0.000	ns	0.000	0.000	ns

Comparisons of the relative variation of the biological parameter to untreated control in dependence of the factors exposure time and agent species in the loamy soil. Only significant pairs were stated by their p value. In case of “ns” no significant comparison could be observed