condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.139354 0.0 0.418062 Phosphate deficiency 0.025310666666666665 0.0 0.075932 Potassium deficiency 0.026930055555555554 0.0 0.08079016666666666 Heat 0.0 0.0 0.0