condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.1538788888888889 0.0 0.4616366666666667 Potassium deficiency 0.035665777777777775 0.0 0.10699733333333333 Heat 0.0 0.0 0.0