Multivariate Analysis of Metal Levels in Paddy Soil, Rice Plants, and Rice Grains: A Case Study from Shakargarh, Pakistan

Table 6

Varimax normalized factor loadings for metals in soil, plant, and grain samples.

Factor	Soil		Plant		Grain
	1	2	1	2	1	2
Fe	0.069	0.834	0.413	0.808	− 0.7	−0.070
Co	0.912	0.18	−0.555	0.322	−0.086	− 0.809
Ni	−0.136	0.912	0.813	−0.042	0.266	0.809
Cd	0.787	−0.587	0.256	− 0.86	0.628	−0.657
Pb	0.949	−0.275	0.895	0.131	0.701	0.528
Cr	0.977	0.016	0.927	0.099	0.807	0.110
Eigenvalue	3.566	1.746	2.875	1.516	2.453	1.689
% Total variance	59.43	29.11	47.92	25.27	40.89	28.15
Cumulative eigenvalue	3.566	5.312	2.875	4.391	2.453	4.142
Cumulative %	59.43	88.53	47.92	73.19	40.89	69.04