Applied and Environmental Soil Science / 2012 / Article / Tab 6

Research Article

Cadmium and Zinc Concentration in Grain of Durum Wheat in Relation to Phosphorus Fertilization, Crop Sequence and Tillage Management

Table 6

Correlation coefficients (r) of grain concentrations of Cd, Zn, Fe and P to other elements concentrations, grain yield, grain protein concentration, and soil characteristics (The full dataset is presented in Supplementary Table 1).

CdZnFeP

Grain
 Zn −0.0220.507***0.688***
 Fe0.294***0.507***0.598***
 Mn−0.150***0.239***0.441***0.504***
 Cu−0.134*** 0.096* 0.067 0.101*
 P0.223***0.688***0.598***
 Ca−0.365***0.408*** −0.0170.168***
 K 0.081*0.755***0.579***0.833***
 Mg0.191***0.491***0.390***0.691***
 Protein 0.0360.425***0.529***0.636***
 Yield−0.135*** −0.014−0.302***−0.292***
Soil
 pH −0.080−0.635***−0.193**−0.255***
 EC −0.094 −0.047 −0.041 −0.095
 Olsen-P0.309***0.324***0.537***0.553***
 DTPA-Cd0.339***0.213***0.235*** 0.012
 DTPA-Zn 0.0440.523***0.193*** 0.201**

*, **, *** indicate significant at 0.05, 0.01, and 0.001, respectively.

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