condition mean min max 12pM Fe,Midday 159.109 159.109 159.109 12pM Fe,Midnight 108.776 102.454 115.098 58pM Fe,Midday 145.922 145.922 145.922 58pM Fe,Midnight 86.98881428571428 61.4594 213.438 233pM Fe,Midnight 47.436766666666664 43.2497 50.0553 1160pM Fe,Midday 87.49238571428572 83.0226 90.9794 1160pM Fe,Midnight 21.129691666666666 15.1413 26.5093 High carbon,Dark 42.23352 19.0322 68.4749 High carbon,Light 45.77467076923077 6.1268 85.4426 Low carbon,Dark 43.2536 43.2536 43.2536 Phloroglucinol 57.23663333333334 39.1282 69.9492 Silicon starvation,12h 47.5983 47.5983 47.5983