condition mean min max 12pM Fe,Midday 7.18999 7.18999 7.18999 12pM Fe,Midnight 21.682699999999997 20.6516 22.7138 58pM Fe,Midday 4.54431 4.54431 4.54431 58pM Fe,Midnight 21.7611 0.0 35.373 233pM Fe,Midnight 17.523866666666667 15.9207 19.5969 1160pM Fe,Midday 9.2699 7.57791 11.0528 1160pM Fe,Midnight 16.463979166666668 7.57003 33.984 High carbon,Dark 11.576316666666667 2.78985 21.9483 High carbon,Light 19.373450769230768 1.20938 66.1744 Low carbon,Dark 3.89449 3.89449 3.89449 Phloroglucinol 2.35837 1.57333 3.24689 Silicon starvation,12h 9.74019 9.74019 9.74019