condition mean min max 12pM Fe,Midday 34.8806 34.8806 34.8806 12pM Fe,Midnight 34.312650000000005 33.7413 34.884 58pM Fe,Midday 30.864 30.864 30.864 58pM Fe,Midnight 28.033628571428572 25.9726 34.6357 233pM Fe,Midnight 21.527433333333335 20.7164 21.9653 1160pM Fe,Midday 25.596142857142855 23.2274 27.9701 1160pM Fe,Midnight 13.900608333333334 12.1199 16.6062 High carbon,Dark 17.648692 5.71366 32.5128 High carbon,Light 12.998976923076924 1.72078 23.4242 Low carbon,Dark 13.1408 13.1408 13.1408 Phloroglucinol 19.47093333333333 16.3296 22.6682 Silicon starvation,12h 17.9057 17.9057 17.9057