condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.01880711111111111 0.0 0.05642133333333333 Potassium deficiency 0.04278711111111111 0.0 0.12836133333333333 Heat 0.0 0.0 0.0