condition mean min max 12pM Fe,Midday 30.8722 30.8722 30.8722 12pM Fe,Midnight 31.655 27.5781 35.7319 58pM Fe,Midday 24.1652 24.1652 24.1652 58pM Fe,Midnight 27.283042857142856 0.0 36.2051 233pM Fe,Midnight 18.477066666666666 17.9938 18.8922 1160pM Fe,Midday 17.87622857142857 14.0718 20.5812 1160pM Fe,Midnight 15.674714166666668 8.79346 22.2677 High carbon,Dark 15.754881333333334 3.45548 30.5748 High carbon,Light 10.646800384615384 0.932045 19.988 Low carbon,Dark 12.8631 12.8631 12.8631 Phloroglucinol 7.840903333333333 5.00462 11.3256 Silicon starvation,12h 39.6346 39.6346 39.6346