condition mean min max 12pM Fe,Midday 12.5904 12.5904 12.5904 12pM Fe,Midnight 12.0167 11.1171 12.9163 58pM Fe,Midday 6.51618 6.51618 6.51618 58pM Fe,Midnight 9.03551 0.0 13.1537 233pM Fe,Midnight 4.702263333333334 4.51243 4.88207 1160pM Fe,Midday 8.64512 5.8401 11.6334 1160pM Fe,Midnight 2.240547416666667 0.516679 4.08458 High carbon,Dark 9.818604666666667 1.65916 26.4466 High carbon,Light 4.405541153846154 0.0 18.1886 Low carbon,Dark 15.8267 15.8267 15.8267 Phloroglucinol 2.54878 1.65205 4.208 Silicon starvation,12h 5.5416 5.5416 5.5416