condition mean min max 12pM Fe,Midday 738.592 738.592 738.592 12pM Fe,Midnight 443.621 418.305 468.937 58pM Fe,Midday 702.01 702.01 702.01 58pM Fe,Midnight 266.1594285714286 178.482 335.571 233pM Fe,Midnight 165.39266666666666 159.273 174.28 1160pM Fe,Midday 284.305 237.681 324.532 1160pM Fe,Midnight 155.17841666666666 107.832 204.488 High carbon,Dark 264.9544666666667 169.992 578.368 High carbon,Light 194.36057692307693 84.6365 477.832 Low carbon,Dark 225.771 225.771 225.771 Phloroglucinol 232.18866666666665 209.588 269.484 Silicon starvation,12h 203.719 203.719 203.719