condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.011310788888888888 0.0 0.028840099999999997 Potassium deficiency 0.0 0.0 0.0 Heat 0.009858166666666666 0.0 0.019716333333333332