condition mean min max 12pM Fe,Midday 138.133 138.133 138.133 12pM Fe,Midnight 126.898 121.426 132.37 58pM Fe,Midday 141.139 141.139 141.139 58pM Fe,Midnight 152.025 113.536 281.401 233pM Fe,Midnight 100.32986666666666 96.9146 103.753 1160pM Fe,Midday 137.40314285714285 122.557 157.181 1160pM Fe,Midnight 79.46314166666667 62.302 96.8802 High carbon,Dark 260.74656 81.5494 1050.7 High carbon,Light 272.5824769230769 63.3791 782.057 Low carbon,Dark 174.295 174.295 174.295 Phloroglucinol 159.26 149.638 176.356 Silicon starvation,12h 355.585 355.585 355.585