condition mean min max 12pM Fe,Midday 10.0013 10.0013 10.0013 12pM Fe,Midnight 11.3052 11.2282 11.3822 58pM Fe,Midday 9.51756 9.51756 9.51756 58pM Fe,Midnight 6.125971428571429 0.0 8.40925 233pM Fe,Midnight 3.536106666666667 3.10658 4.21119 1160pM Fe,Midday 6.658644285714286 5.07409 8.57826 1160pM Fe,Midnight 3.907795833333333 2.21638 5.03096 High carbon,Dark 7.422863333333334 1.19496 24.7379 High carbon,Light 7.219446769230769 0.666558 19.7968 Low carbon,Dark 7.05268 7.05268 7.05268 Phloroglucinol 11.78685 9.30562 16.7134 Silicon starvation,12h 9.23357 9.23357 9.23357