condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.1343 0.0 0.40290000000000004 Potassium deficiency 0.0 0.0 0.0 Heat 0.030082166666666663 0.0 0.06016433333333333