condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.014346833333333335 0.0 0.02209976666666667 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.0 0.0 0.0 Heat 0.010801749999999999 0.0 0.021603499999999998