condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.04304666666666667 0.0 0.12914 Heat 0.031552000000000004 0.0 0.06310400000000001