condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.004346833333333333 0.0 0.013040499999999998 Potassium deficiency 0.0 0.0 0.0 Heat 0.01353125 0.0 0.0270625