condition mean min max 12pM Fe,Midday 39.1068 39.1068 39.1068 12pM Fe,Midnight 36.17425 31.0831 41.2654 58pM Fe,Midday 23.9753 23.9753 23.9753 58pM Fe,Midnight 39.088499999999996 23.8881 99.2995 233pM Fe,Midnight 20.8515 17.489 23.3107 1160pM Fe,Midday 11.613231428571428 8.79863 16.9309 1160pM Fe,Midnight 12.5498225 8.07511 18.0871 High carbon,Dark 14.538804666666667 4.66313 22.8833 High carbon,Light 6.233864769230769 0.797916 21.4566 Low carbon,Dark 12.7094 12.7094 12.7094 Phloroglucinol 8.037473333333333 6.82648 9.51552 Silicon starvation,12h 13.5093 13.5093 13.5093