condition mean min max 12pM Fe,Midday 61.0574 61.0574 61.0574 12pM Fe,Midnight 48.405950000000004 43.2518 53.5601 58pM Fe,Midday 57.9414 57.9414 57.9414 58pM Fe,Midnight 55.68951428571429 0.0 78.8667 233pM Fe,Midnight 97.01106666666666 95.7203 97.7713 1160pM Fe,Midday 28.992671428571427 22.9873 38.1855 1160pM Fe,Midnight 92.11078333333333 57.6246 118.613 High carbon,Dark 190.41336666666666 54.3947 420.266 High carbon,Light 145.9569153846154 20.0395 417.278 Low carbon,Dark 89.1507 89.1507 89.1507 Phloroglucinol 79.62253333333334 56.2242 103.968 Silicon starvation,12h 136.693 136.693 136.693