Effect of CuO Nanoparticles over Isolated Bacterial Strains from Agricultural Soil

Table 1

Pedologic and microbial soil characteristics.

Parameters
Physical properties
% sand	71
% silt	13
% clay	16
pH	6.80
% organic matter	0.29
% CaCO3	1.54
C.H. (cm⋅h^−1)	5.71
% saturation	42.5
C.E. (mmhos⋅cm^−1)	0.75
Fertility
N-NO3 (kg⋅ha^−1)	2.16 10^3
P (kg⋅ha^−1)	31.0
K (mg⋅L^−1)	3.62 10^2
Ca (mg⋅L^−1)	10.17 10^3
Mg (mg⋅L^−1)	9.62 10^2
Na (mg⋅L^−1)	20.62 10^2
Cu (mg⋅L^−1)	0.60
Fe (mg⋅L^−1)	1.80
Mn (mg⋅L^−1)	5.22
Zn (mg⋅L^−1)	71.82
Microbiological properties
CFU
AGEL (Actinobacteria) (CFU⋅mL^−1)	5.3 10^2
M9 (coliform) (CFU⋅mL^−1)	8.6 10^4
YPS (aerobic bacteria, Bacilli) (CFU⋅mL^−1)	5.2 10^4
LB (enteric bacteria) (CFU⋅mL^−1)	5.9 10^4
MPN (cell⋅[gsoil]^−1)	2.1 10^5
FDA ([gFDA]⋅mL^−1)	21.6 ± 0.021