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 0.14812722222222222 0.0 0.4443816666666667 Heat 0.005319999999999999 0.0 0.010639999999999998