condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.009901766666666667 0.0 0.0297053 Phosphate deficiency 0.04511477777777778 0.0 0.074369 Potassium deficiency 0.010783433333333333 0.0 0.0323503 Heat 0.0 0.0 0.0