condition mean min max 12pM Fe,Midday 9.03476 9.03476 9.03476 12pM Fe,Midnight 13.58055 12.6279 14.5332 58pM Fe,Midday 8.05833 8.05833 8.05833 58pM Fe,Midnight 9.820385714285715 0.0 12.2922 233pM Fe,Midnight 8.431726666666666 7.59698 9.76773 1160pM Fe,Midday 6.67059 5.67549 7.28553 1160pM Fe,Midnight 3.1037666666666666 1.51593 5.66263 High carbon,Dark 7.0934276 0.458224 13.9636 High carbon,Light 3.282783153846154 0.685349 6.91285 Low carbon,Dark 7.04695 7.04695 7.04695 Phloroglucinol 5.785073333333333 4.75235 7.48495 Silicon starvation,12h 13.1185 13.1185 13.1185