condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.007946400000000001 0.0 0.0238392 Heat 0.003466683333333333 0.0 0.006933366666666666