condition mean min max 12pM Fe,Midday 57.9769 57.9769 57.9769 12pM Fe,Midnight 44.897000000000006 42.6606 47.1334 58pM Fe,Midday 40.1694 40.1694 40.1694 58pM Fe,Midnight 31.760242857142856 0.0 43.717 233pM Fe,Midnight 24.2956 21.3604 26.3202 1160pM Fe,Midday 25.38532857142857 21.3127 28.1068 1160pM Fe,Midnight 11.6611375 5.64267 22.2062 High carbon,Dark 35.259773333333335 12.5222 57.9941 High carbon,Light 29.68358 3.21998 60.7851 Low carbon,Dark 25.7745 25.7745 25.7745 Phloroglucinol 34.4221 21.785 54.4053 Silicon starvation,12h 74.3765 74.3765 74.3765