condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.0 0.0 0.0 Heat 0.013937933333333333 0.013882499999999999 0.013993366666666666