condition mean min max 12pM Fe,Midday 0.78408 0.78408 0.78408 12pM Fe,Midnight 13.9776 12.8701 15.0851 58pM Fe,Midday 3.46895 3.46895 3.46895 58pM Fe,Midnight 11.155671428571429 0.0 14.9345 233pM Fe,Midnight 28.429366666666667 27.589 29.6489 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 18.971405833333336 4.64357 42.35 High carbon,Dark 25.082968 1.24272 47.1212 High carbon,Light 11.959666307692308 0.0 42.9286 Low carbon,Dark 17.2004 17.2004 17.2004 Phloroglucinol 2.911854 0.991422 6.14156 Silicon starvation,12h 23.6442 23.6442 23.6442