condition mean min max Control 7.162979444444444 4.77677 10.43502 Nitrogen deficiency 9.12945888888889 8.14707 10.25687 Phosphate deficiency 8.328977777777778 8.186473333333334 8.591560000000001 Potassium deficiency 6.889562222222222 5.094596666666667 8.9241 Heat 8.97212 7.57074 10.3735