condition mean min max 12pM Fe,Midday 6.70654 6.70654 6.70654 12pM Fe,Midnight 4.81983 3.44008 6.19958 58pM Fe,Midday 3.95617 3.95617 3.95617 58pM Fe,Midnight 3.2768928571428573 0.0 5.29425 233pM Fe,Midnight 4.820346666666667 3.92639 5.66192 1160pM Fe,Midday 3.5206042857142856 2.57618 4.47096 1160pM Fe,Midnight 6.366194166666666 3.59452 10.2092 High carbon,Dark 6.865698666666667 2.53956 10.7743 High carbon,Light 11.316891538461539 1.0094 33.7793 Low carbon,Dark 3.02719 3.02719 3.02719 Phloroglucinol 8.047686666666667 7.06668 9.13834 Silicon starvation,12h 5.93571 5.93571 5.93571