condition mean min max Control 8.376533333333334e-09 0.0 3.420166666666667e-08 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0