condition mean min max 12pM Fe,Midday 13.6483 13.6483 13.6483 12pM Fe,Midnight 15.45505 15.0787 15.8314 58pM Fe,Midday 10.451 10.451 10.451 58pM Fe,Midnight 11.942357142857142 0.0 15.9864 233pM Fe,Midnight 15.590166666666667 14.2207 16.5957 1160pM Fe,Midday 4.399608571428572 2.823 8.47303 1160pM Fe,Midnight 9.451354166666667 6.31811 13.3202 High carbon,Dark 10.516594 1.83316 19.6126 High carbon,Light 5.304346307692308 0.0 12.0285 Low carbon,Dark 13.2215 13.2215 13.2215 Phloroglucinol 5.35829 2.98687 7.33159 Silicon starvation,12h 17.1736 17.1736 17.1736