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 0.022246222222222223 0.0 0.06673866666666667 Heat 0.033043499999999996 0.0 0.06608699999999999