condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.008884077777777779 0.0 0.015692566666666668 Potassium deficiency 0.0059571166666666665 0.0 0.016217533333333332 Heat 0.025607500000000002 0.0 0.051215000000000004