condition mean min max 12pM Fe,Midday 34.9734 34.9734 34.9734 12pM Fe,Midnight 68.9408 68.7256 69.156 58pM Fe,Midday 24.4082 24.4082 24.4082 58pM Fe,Midnight 45.12732857142857 0.0 57.6669 233pM Fe,Midnight 41.65683333333333 38.6748 45.8026 1160pM Fe,Midday 6.5194914285714285 4.48002 9.29664 1160pM Fe,Midnight 38.26029166666667 26.3271 49.921 High carbon,Dark 57.19564733333333 7.02641 76.7496 High carbon,Light 24.808316153846153 1.33449 49.3783 Low carbon,Dark 49.6266 49.6266 49.6266 Phloroglucinol 6.43912 5.36955 7.40797 Silicon starvation,12h 128.922 128.922 128.922