condition mean min max 12pM Fe,Midday 41.3654 41.3654 41.3654 12pM Fe,Midnight 48.018 46.9792 49.0568 58pM Fe,Midday 38.7551 38.7551 38.7551 58pM Fe,Midnight 40.6701 0.0 50.3598 233pM Fe,Midnight 51.4304 48.6891 53.9241 1160pM Fe,Midday 37.77657142857143 35.2924 44.956 1160pM Fe,Midnight 36.483666666666664 29.2388 48.5139 High carbon,Dark 34.94188666666667 15.0909 60.543 High carbon,Light 27.63423076923077 19.9197 41.5275 Low carbon,Dark 44.1812 44.1812 44.1812 Phloroglucinol 34.58506666666667 20.1993 54.8509 Silicon starvation,12h 67.9584 67.9584 67.9584