Monometal and Competitive Adsorption of Cd, Ni, and Zn in Soil Treated with Different Contents of Cow Manure

Table 1

Some chemical and physical properties of the soil and manure.

Variable	Soil	Manure
pH	7.16	7.9
EC (ds/m)	1.9	10.8
OM (%)	0.16	0.41
Zn (mg Kg^−1)	2.47	48.4
Cu (mg Kg^−1)	0.047	14.5
Fe (mg Kg^−1)	1.15	293.7
Cd (mg Kg^−1)	<0.05	<0.05
Ni (mg Kg^−1)	<0.05	<0.05
CEC (cmolc kg^−1)	15.3	—
Soil texture	Loam	—
Soil classification	Torrertic Haplustepts	—