condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.006722266666666667 0.0 0.020166800000000002 Potassium deficiency 0.0 0.0 0.0 Heat 0.010518050000000001 0.0 0.021036100000000002