condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.012147999999999999 0.0 0.036444 Potassium deficiency 0.0 0.0 0.0 Heat 0.018818933333333333 0.0 0.037637866666666665