From: Geochemical characteristics of agricultural soils, Assiut governorate, Egypt
 | Sand | Silt | Clay | CaCO3% | Fe2O3 | P2O5 | Fe | Mn | Zn | Zr | As | Pb | Cd | Co | Cr | Cu | Ni |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Fe | − 0.95** | 0.96** | 0.79** | 0.13 | .78** | − 0.14 | 1 |  |  |  |  |  |  |  |  |  |  |
Mn | − 0.88** | 0.90** | 0.73** | 0.06 | .65** | − 0.24 | 0.90** | 1 |  |  |  |  |  |  |  |  |  |
Zn | − 0.70** | 0.73** | 0.50 | 0.09 | 0.16 | 0.28 | 0.56* | .50* | 1 |  |  |  |  |  |  |  |  |
Zr | − 0.58* | 0.56* | 0.53* | 0.21 | .66** | − 0.18 | 0.64** | .54* | 0.32 | 1 |  |  |  |  |  |  |  |
As | 0.07 | − 0.11 | 0.07 | − 0.44 | − 0.33 | 0.29 | − 0.19 | − 0.12 | 0.18 | − 0.19 | 1 |  |  |  |  |  |  |
Pb | − 0.12 | 0.13 | 0.04 | 0.01 | − 0.19 | 0.21 | − 0.09 | − 0.04 | .61* | 0.03 | 0.18 | 1 |  |  |  |  |  |
Cd | − 0.37 | 0.31 | 0.46 | 0.18 | .58* | 0.30 | 0.44 | 0.34 | 0.04 | 0.63** | − 0.11 | − 0.16 | 1 |  |  |  |  |
Co | − 0.88** | 0.90** | 0.70** | 0.06 | .84** | − 0.19 | 0.93** | 0.85** | 0.45* | 0.56* | − 0.29 | 0.05 | 0.35 | 1 |  |  |  |
Cr | − 0.75** | 0.73** | 0.71** | 0.23 | .81** | − 0.13 | 0.85** | 0.72** | 0.24 | 0.75** | − 0.21 | − 0.19 | .74** | .76** | 1 |  |  |
Cu | − 0.87** | 0.92** | 0.60* | 0.12 | .66** | − 0.09 | 0.87** | 0.81** | .74** | .51* | − 0.08 | 0.31 | 0.21 | .91** | .62** | 1 |  |
Ni | − 0.50* | 0.53* | 0.31 | 0.12 | 0.24 | 0.12 | 0.45 | 0.40 | .74** | 0.28 | 0.01 | 0.50 | 0.05 | 0.48 | 0.20 | .64** | 1 |