condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 1.034988888888889 0.0 3.104966666666667 Potassium deficiency 6.448945555555556 0.0 19.34683666666667 Heat 0.0 0.0 0.0