condition mean min max 12pM Fe,Midday 91.0656 91.0656 91.0656 12pM Fe,Midnight 64.8221 64.3042 65.34 58pM Fe,Midday 76.2623 76.2623 76.2623 58pM Fe,Midnight 35.57434285714286 0.0 43.5534 233pM Fe,Midnight 26.124666666666666 24.3055 27.859 1160pM Fe,Midday 55.53868571428571 53.405 57.5952 1160pM Fe,Midnight 24.7472 19.5971 31.4019 High carbon,Dark 42.8565 14.5451 98.6101 High carbon,Light 45.81685692307693 6.44034 89.3952 Low carbon,Dark 23.7822 23.7822 23.7822 Phloroglucinol 163.883 159.841 166.097 Silicon starvation,12h 70.7388 70.7388 70.7388