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 0.4604473333333334 0.0 1.381342 Heat 0.010442683333333334 0.0 0.02088536666666667