condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.057863 0.0 0.173589 Phosphate deficiency 0.10941377777777778 0.0 0.32824133333333333 Potassium deficiency 0.023414 0.0 0.070242 Heat 0.0 0.0 0.0