condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.03037311111111111 0.0 0.09111933333333333 Phosphate deficiency 0.03516544444444445 0.0 0.10549633333333334 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0