condition mean min max 12pM Fe,Midday 22.907 22.907 22.907 12pM Fe,Midnight 23.16845 21.8777 24.4592 58pM Fe,Midday 32.2652 32.2652 32.2652 58pM Fe,Midnight 24.118771428571428 0.0 29.8926 233pM Fe,Midnight 63.41713333333333 57.6692 72.4933 1160pM Fe,Midday 20.470757142857142 14.6045 24.6393 1160pM Fe,Midnight 27.265366666666665 10.1477 55.7395 High carbon,Dark 48.79854133333333 5.92752 96.7714 High carbon,Light 42.14413076923077 15.5813 83.2851 Low carbon,Dark 55.4546 55.4546 55.4546 Phloroglucinol 13.57425 5.32001 28.6651 Silicon starvation,12h 92.8294 92.8294 92.8294