condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.03942122222222222 0.0 0.06557033333333333 Potassium deficiency 0.021995888888888888 0.0 0.06598766666666667 Heat 0.0 0.0 0.0