condition mean min max 12pM Fe,Midday 7.5719 7.5719 7.5719 12pM Fe,Midnight 10.531695 9.84309 11.2203 58pM Fe,Midday 9.49162 9.49162 9.49162 58pM Fe,Midnight 16.29061857142857 4.82487 74.7696 233pM Fe,Midnight 7.5382 7.32473 7.6926 1160pM Fe,Midday 4.876368571428571 3.39335 6.82985 1160pM Fe,Midnight 1.96140475 0.0 5.14003 High carbon,Dark 5.49625 1.6668 10.1718 High carbon,Light 2.9419848461538463 0.0 5.66792 Low carbon,Dark 5.12669 5.12669 5.12669 Phloroglucinol 4.057043333333334 3.05843 5.15874 Silicon starvation,12h 6.94095 6.94095 6.94095