BioMed Research International / 2013 / Article / Tab 2

Research Article

Risk Assessment of Heavy Metals Pollution in Agricultural Soils of Siling Reservoir Watershed in Zhejiang Province, China

Table 2

Principal component loading of selected metals in the soil samples.

SummerWinter
PC 1PC 2PC 1PC 2PC 3

Eigen value3.3471.6962.9001.7531.103
% total variance47.81924.22341.42625.03815.75
% cumulative variance47.81972.04241.42666.46482.22
Zn−0.749−0.165−0.728−0.0610.441
Cu−0.757−0.424−0.871 0.3540.114
Mn−0.619−0.5380.121−0.697−0.514
Fe−0.7220.512−0.863 0.373−0.290
Cr−0.7850.540−0.719 −0.142−0.575
Cd−0.492−0.659−0.348−0.6750.465
Pb−0.6710.460−0.462−0.724 0.043

Italic values are significant at .

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