condition mean min max 12pM Fe,Midday 68.6537 68.6537 68.6537 12pM Fe,Midnight 71.33685 67.1636 75.5101 58pM Fe,Midday 64.5447 64.5447 64.5447 58pM Fe,Midnight 49.35684285714286 39.1113 56.3657 233pM Fe,Midnight 46.25266666666667 45.6955 46.7442 1160pM Fe,Midday 46.2354 43.9982 50.1061 1160pM Fe,Midnight 32.881908333333335 22.7326 40.1577 High carbon,Dark 42.542833333333334 11.6118 71.4957 High carbon,Light 48.96248769230769 3.75674 92.043 Low carbon,Dark 48.0922 48.0922 48.0922 Phloroglucinol 70.0131 55.2919 84.7025 Silicon starvation,12h 72.5523 72.5523 72.5523