condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.006938 0.0 0.020814 Phosphate deficiency 0.005787544444444444 0.0 0.011395 Potassium deficiency 0.006135966666666667 0.0 0.012335 Heat 0.0 0.0 0.0