condition mean min max 12pM Fe,Midday 49.2523 49.2523 49.2523 12pM Fe,Midnight 23.485799999999998 22.9969 23.9747 58pM Fe,Midday 50.696 50.696 50.696 58pM Fe,Midnight 19.340214285714286 0.0 24.8107 233pM Fe,Midnight 22.086766666666666 20.3442 25.3909 1160pM Fe,Midday 53.553442857142855 41.5539 60.8634 1160pM Fe,Midnight 18.921158333333334 14.6299 23.5522 High carbon,Dark 28.044290666666665 6.14277 51.6483 High carbon,Light 32.62144615384615 4.43809 51.6608 Low carbon,Dark 28.1749 28.1749 28.1749 Phloroglucinol 20.398366666666668 18.2699 22.7699 Silicon starvation,12h 165.279 165.279 165.279