condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0045512 0.0 0.0136536 Phosphate deficiency 0.0030002555555555554 0.0 0.004715166666666667 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0