condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.014788111111111111 0.0 0.04436433333333333 Phosphate deficiency 0.02895722222222222 0.0 0.08687166666666667 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0