condition mean min max 12pM Fe,Midday 94.2269 94.2269 94.2269 12pM Fe,Midnight 67.38210000000001 65.9156 68.8486 58pM Fe,Midday 61.4826 61.4826 61.4826 58pM Fe,Midnight 65.44008571428571 50.2696 120.491 233pM Fe,Midnight 34.90123333333333 32.0849 36.3492 1160pM Fe,Midday 61.7732 56.1318 66.3944 1160pM Fe,Midnight 46.892516666666666 24.1185 66.6866 High carbon,Dark 46.47674 22.4895 63.3904 High carbon,Light 54.89494923076923 6.38534 111.344 Low carbon,Dark 42.9604 42.9604 42.9604 Phloroglucinol 90.2685 72.6381 100.452 Silicon starvation,12h 83.5038 83.5038 83.5038