condition mean min max 12pM Fe,Midday 47.7051 47.7051 47.7051 12pM Fe,Midnight 36.82315 36.2215 37.4248 58pM Fe,Midday 40.2398 40.2398 40.2398 58pM Fe,Midnight 27.2033 25.0887 29.34 233pM Fe,Midnight 27.1584 26.6522 28.1159 1160pM Fe,Midday 35.722742857142855 31.7589 38.6067 1160pM Fe,Midnight 12.615625 10.1093 18.1534 High carbon,Dark 27.747833333333332 11.5736 73.7781 High carbon,Light 21.324466923076923 3.01025 51.3926 Low carbon,Dark 17.7033 17.7033 17.7033 Phloroglucinol 16.538866666666667 14.6363 17.6565 Silicon starvation,12h 18.9717 18.9717 18.9717