highly significantp < 0.01
Potassium (K) had a positive correlation with proline (%Pro) (r = 0.64, p < 0.05) and a highly significant positive correlation with superoxide dismutase (%SOD) (r = 0.57, p < 0.01). pH was negatively correlated with %Pro (r = −0.64, p < 0.05).