condition mean min max 12pM Fe,Midday 70.5156 70.5156 70.5156 12pM Fe,Midnight 79.86410000000001 78.4595 81.2687 58pM Fe,Midday 65.4221 65.4221 65.4221 58pM Fe,Midnight 65.72927142857142 61.5035 72.089 233pM Fe,Midnight 47.509 45.6628 48.6055 1160pM Fe,Midday 37.812757142857144 35.038 40.4858 1160pM Fe,Midnight 27.845766666666666 23.45 32.2042 High carbon,Dark 33.79574 12.7085 54.2984 High carbon,Light 21.002877692307692 1.18805 40.2786 Low carbon,Dark 28.9313 28.9313 28.9313 Phloroglucinol 61.048066666666664 42.1416 95.6066 Silicon starvation,12h 34.7817 34.7817 34.7817