condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.015014222222222222 0.0 0.04504266666666667 Phosphate deficiency 0.019324777777777778 0.0 0.05797433333333333 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0