condition mean min max 12pM Fe,Midday 106.285 106.285 106.285 12pM Fe,Midnight 29.97045 25.4892 34.4517 58pM Fe,Midday 85.4966 85.4966 85.4966 58pM Fe,Midnight 25.600857142857144 0.0 32.6203 233pM Fe,Midnight 28.480966666666667 23.6397 32.0873 1160pM Fe,Midday 76.99228571428571 70.023 86.6835 1160pM Fe,Midnight 13.416854166666667 8.30356 21.7994 High carbon,Dark 25.774598 4.60858 48.61 High carbon,Light 44.761417692307695 1.62524 88.9838 Low carbon,Dark 44.8597 44.8597 44.8597 Phloroglucinol 31.012866666666667 23.5105 37.5249 Silicon starvation,12h 117.412 117.412 117.412