condition mean min max 12pM Fe,Midday 31.1877 31.1877 31.1877 12pM Fe,Midnight 34.893 34.2359 35.5501 58pM Fe,Midday 21.4638 21.4638 21.4638 58pM Fe,Midnight 22.26225 0.0 38.0217 233pM Fe,Midnight 26.685200000000002 21.9416 33.296 1160pM Fe,Midday 20.266442857142856 11.9801 26.336 1160pM Fe,Midnight 23.142834166666667 5.2115 35.5726 High carbon,Dark 11.258664 0.0 31.4224 High carbon,Light 12.637362307692309 0.0 31.0716 Low carbon,Dark 16.893 16.893 16.893 Phloroglucinol 41.183566666666664 29.3146 48.1983 Silicon starvation,12h 42.3905 42.3905 42.3905