condition mean min max 12pM Fe,Midday 63.8963 63.8963 63.8963 12pM Fe,Midnight 33.0625 27.6366 38.4884 58pM Fe,Midday 53.9449 53.9449 53.9449 58pM Fe,Midnight 26.112199999999998 0.0 32.9841 233pM Fe,Midnight 30.202833333333334 27.7453 34.5191 1160pM Fe,Midday 44.499671428571425 41.576 47.1374 1160pM Fe,Midnight 15.105208333333334 12.5676 17.6389 High carbon,Dark 26.92708 15.6576 36.5171 High carbon,Light 30.367941538461537 5.29164 64.0606 Low carbon,Dark 24.1315 24.1315 24.1315 Phloroglucinol 28.3076 21.7425 36.61 Silicon starvation,12h 90.4984 90.4984 90.4984