condition mean min max 12pM Fe,Midday 17.9806 17.9806 17.9806 12pM Fe,Midnight 12.70165 11.5076 13.8957 58pM Fe,Midday 22.0406 22.0406 22.0406 58pM Fe,Midnight 19.86334 8.20771 58.6409 233pM Fe,Midnight 7.116296666666667 6.57483 7.56708 1160pM Fe,Midday 15.663971428571429 13.687 17.3886 1160pM Fe,Midnight 75.31158916666666 1.58813 126.388 High carbon,Dark 23.269233333333332 10.4941 80.0343 High carbon,Light 18.015764615384615 5.1394 33.3396 Low carbon,Dark 14.2068 14.2068 14.2068 Phloroglucinol 16.588833333333334 10.6469 23.0482 Silicon starvation,12h 33.9762 33.9762 33.9762