condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.005952 0.0040443 0.009329 Phosphate deficiency 0.002444455555555556 0.0 0.007333366666666667 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0