condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.6406245555555555 0.0 1.9218736666666665 Potassium deficiency 0.2130711111111111 0.0 0.6392133333333333 Heat 0.0 0.0 0.0