condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.14371677777777778 0.0 0.4311503333333333 Potassium deficiency 2.054683333333333 0.0 6.16405 Heat 0.0 0.0 0.0