condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.004545322222222222 0.0 0.013635966666666666 Phosphate deficiency 0.017952666666666665 0.0 0.053857999999999996 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0