condition mean min max 12pM Fe,Midday 46.3148 46.3148 46.3148 12pM Fe,Midnight 17.6132 17.5375 17.6889 58pM Fe,Midday 60.8088 60.8088 60.8088 58pM Fe,Midnight 19.173628571428573 15.1681 22.906 233pM Fe,Midnight 26.80946666666667 25.855 27.5894 1160pM Fe,Midday 35.51284285714286 31.8595 39.0094 1160pM Fe,Midnight 42.51509166666667 13.2417 74.7701 High carbon,Dark 63.090693333333334 25.8329 121.912 High carbon,Light 71.55329307692308 1.21877 180.496 Low carbon,Dark 24.1583 24.1583 24.1583 Phloroglucinol 18.27355 5.55285 31.817 Silicon starvation,12h 31.154 31.154 31.154