condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.001353311111111111 0.0 0.004059933333333333 Potassium deficiency 0.0018553777777777778 0.0 0.005566133333333333 Heat 0.0022838 0.0 0.0045676