condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.3104521111111111 0.0 0.9313563333333333 Potassium deficiency 0.014673888888888887 0.0 0.04402166666666666 Heat 0.0 0.0 0.0