condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.02098811111111111 0.0 0.06296433333333333 Potassium deficiency 0.006802388888888889 0.0 0.020407166666666667 Heat 0.0 0.0 0.0