condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.05518611111111111 0.0 0.16555833333333334 Potassium deficiency 0.09203144444444444 0.0 0.27609433333333333 Heat 0.0 0.0 0.0