condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.001537911111111111 0.0 0.004613733333333333 Potassium deficiency 0.005038055555555555 0.0 0.010117766666666667 Heat 0.0 0.0 0.0