condition mean min max 12pM Fe,Midday 86.4497 86.4497 86.4497 12pM Fe,Midnight 77.15535 72.7117 81.599 58pM Fe,Midday 53.352 53.352 53.352 58pM Fe,Midnight 48.42517142857143 0.0 60.3795 233pM Fe,Midnight 28.747633333333333 27.9379 29.468 1160pM Fe,Midday 45.7073 42.312 49.2366 1160pM Fe,Midnight 39.35615 17.1148 59.7018 High carbon,Dark 25.67592266666667 8.21454 44.1281 High carbon,Light 21.478804615384615 2.58584 43.6362 Low carbon,Dark 18.8169 18.8169 18.8169 Phloroglucinol 135.611 131.113 142.553 Silicon starvation,12h 34.7605 34.7605 34.7605