condition mean min max 12pM Fe,Midday 48.6163 48.6163 48.6163 12pM Fe,Midnight 36.4631 34.6239 38.3023 58pM Fe,Midday 30.1008 30.1008 30.1008 58pM Fe,Midnight 32.40544285714286 28.8157 47.6101 233pM Fe,Midnight 19.431766666666665 18.7666 20.2675 1160pM Fe,Midday 25.788557142857144 23.8079 28.1204 1160pM Fe,Midnight 17.23903333333333 12.2254 23.9036 High carbon,Dark 24.17249 1.69815 43.5601 High carbon,Light 21.618506153846155 4.73076 37.9847 Low carbon,Dark 24.5922 24.5922 24.5922 Phloroglucinol 19.8368 14.5188 26.2789 Silicon starvation,12h 39.7772 39.7772 39.7772