condition mean min max 12pM Fe,Midday 42.9278 42.9278 42.9278 12pM Fe,Midnight 34.1259 32.5372 35.7146 58pM Fe,Midday 88.571 88.571 88.571 58pM Fe,Midnight 44.80638571428571 24.3993 71.813 233pM Fe,Midnight 23.3633 22.3309 24.6072 1160pM Fe,Midday 25.388242857142856 21.1614 28.1977 1160pM Fe,Midnight 12.351959166666667 6.09039 20.8869 High carbon,Dark 22.528207333333334 4.16231 35.2102 High carbon,Light 16.35847846153846 0.566764 34.931 Low carbon,Dark 13.7871 13.7871 13.7871 Phloroglucinol 18.3986 15.6968 22.6404 Silicon starvation,12h 25.9188 25.9188 25.9188