condition mean min max 12pM Fe,Midday 49.8756 49.8756 49.8756 12pM Fe,Midnight 65.839 63.223 68.455 58pM Fe,Midday 33.0528 33.0528 33.0528 58pM Fe,Midnight 55.73515714285714 24.8669 63.2908 233pM Fe,Midnight 34.23736666666667 32.9975 34.9071 1160pM Fe,Midday 37.50338571428571 33.9644 40.325 1160pM Fe,Midnight 18.835816666666666 14.6714 23.4801 High carbon,Dark 31.014764666666668 1.55217 55.2854 High carbon,Light 21.440384615384616 5.10651 40.0028 Low carbon,Dark 26.1439 26.1439 26.1439 Phloroglucinol 47.55206666666667 43.3514 53.6006 Silicon starvation,12h 13.6913 13.6913 13.6913