condition mean min max 12pM Fe,Midday 8.47067 8.47067 8.47067 12pM Fe,Midnight 9.04544 7.66388 10.427 58pM Fe,Midday 9.59019 9.59019 9.59019 58pM Fe,Midnight 5.369528571428571 0.0 7.37516 233pM Fe,Midnight 5.249146666666667 4.90488 5.53401 1160pM Fe,Midday 5.037177142857143 3.30431 5.95148 1160pM Fe,Midnight 2.2646116666666667 1.32184 3.27022 High carbon,Dark 6.705766 1.00341 14.6591 High carbon,Light 3.0905483076923077 0.885667 6.30713 Low carbon,Dark 11.1718 11.1718 11.1718 Phloroglucinol 3.10802 2.23676 4.23117 Silicon starvation,12h 35.283 35.283 35.283