condition mean min max 12pM Fe,Midday 0.528668 0.528668 0.528668 12pM Fe,Midnight 1.27417 1.26549 1.28285 58pM Fe,Midday 1.24744 1.24744 1.24744 58pM Fe,Midnight 0.5970582857142858 0.0 0.892402 233pM Fe,Midnight 0.332127 0.10924 0.557903 1160pM Fe,Midday 1.337351142857143 0.743954 2.03077 1160pM Fe,Midnight 0.21784791666666667 0.0 0.81488 High carbon,Dark 0.8067732 0.0 2.54632 High carbon,Light 0.31385184615384615 0.0 1.40453 Low carbon,Dark 0.859067 0.859067 0.859067 Phloroglucinol 1.9985966666666668 1.43554 3.11952 Silicon starvation,12h 0.902388 0.902388 0.902388