condition mean min max 12pM Fe,Midday 11.9571 11.9571 11.9571 12pM Fe,Midnight 11.9562 11.4905 12.4219 58pM Fe,Midday 8.83915 8.83915 8.83915 58pM Fe,Midnight 6.418407142857143 0.0 8.42262 233pM Fe,Midnight 3.439853333333333 2.81475 3.95891 1160pM Fe,Midday 5.882461428571429 4.88377 7.74084 1160pM Fe,Midnight 2.0694091666666665 1.01583 3.02641 High carbon,Dark 8.399353333333334 3.17136 12.0285 High carbon,Light 5.749683923076923 0.534631 9.89459 Low carbon,Dark 5.16489 5.16489 5.16489 Phloroglucinol 7.55483 5.6906 11.1368 Silicon starvation,12h 5.76982 5.76982 5.76982