condition mean min max 12pM Fe,Midday 67.4229 67.4229 67.4229 12pM Fe,Midnight 57.636449999999996 53.6011 61.6718 58pM Fe,Midday 60.4348 60.4348 60.4348 58pM Fe,Midnight 57.72004285714286 51.9715 69.2714 233pM Fe,Midnight 59.40186666666666 58.3442 60.458 1160pM Fe,Midday 50.14221428571429 47.8514 51.7446 1160pM Fe,Midnight 60.11031666666667 55.0438 65.6354 High carbon,Dark 52.534893333333336 36.0664 69.4159 High carbon,Light 59.276907692307695 18.998 100.0 Low carbon,Dark 39.1058 39.1058 39.1058 Phloroglucinol 37.6716 35.1152 40.9013 Silicon starvation,12h 63.3076 63.3076 63.3076