condition mean min max Control 0.03929674444444444 0.0 0.20626343333333333 Nitrogen deficiency 0.02079288888888889 0.0 0.05317533333333333 Phosphate deficiency 0.006231777777777777 0.0 0.014363899999999999 Potassium deficiency 0.0 0.0 0.0 Heat 0.0 0.0 0.0