condition mean min max 12pM Fe,Midday 9.92379 9.92379 9.92379 12pM Fe,Midnight 48.0541 47.5413 48.5669 58pM Fe,Midday 13.0996 13.0996 13.0996 58pM Fe,Midnight 44.24178571428571 38.2241 57.8323 233pM Fe,Midnight 94.7097 90.8537 98.4784 1160pM Fe,Midday 13.073314285714286 11.6826 15.0557 1160pM Fe,Midnight 60.856516666666664 46.7667 69.0607 High carbon,Dark 59.05468666666667 25.7178 90.4167 High carbon,Light 41.23463076923077 20.4841 82.3361 Low carbon,Dark 58.1586 58.1586 58.1586 Phloroglucinol 22.104533333333332 17.485 25.3818 Silicon starvation,12h 66.0898 66.0898 66.0898