condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.007530533333333333 0.0 0.0225916 Phosphate deficiency 0.007200433333333333 0.0 0.0216013 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0