highly significantp < 0.001
Total soil Cu showed a highly significant positive correlation ( p < 0.001) with Cu and Fe in the parent rocks, indicating that soil Cu content was closely related to the Cu and Fe in the parent material.
Total soil Cu showed a highly significant positive correlation ( p < 0.001) with Cu and Fe in the parent rocks, indicating that soil Cu content was closely related to the Cu and Fe in the parent material.