condition mean min max 12pM Fe,Midday 89.6936 89.6936 89.6936 12pM Fe,Midnight 70.0006 61.864 78.1372 58pM Fe,Midday 59.0319 59.0319 59.0319 58pM Fe,Midnight 96.69807142857144 59.4131 263.511 233pM Fe,Midnight 38.814 38.5469 39.1732 1160pM Fe,Midday 52.8864 50.5456 57.3053 1160pM Fe,Midnight 51.88365 20.7632 72.3472 High carbon,Dark 49.79778666666667 28.4904 84.7671 High carbon,Light 51.625276923076925 12.4373 115.683 Low carbon,Dark 56.312 56.312 56.312 Phloroglucinol 24.4413 22.3778 28.534 Silicon starvation,12h 43.863 43.863 43.863