condition mean min max 12pM Fe,Midday 18.0844 18.0844 18.0844 12pM Fe,Midnight 22.56345 22.3763 22.7506 58pM Fe,Midday 13.1987 13.1987 13.1987 58pM Fe,Midnight 14.091785714285715 0.0 18.8286 233pM Fe,Midnight 24.464366666666667 23.6483 25.5759 1160pM Fe,Midday 18.455542857142856 17.2193 21.0643 1160pM Fe,Midnight 10.109041666666666 6.57974 15.6411 High carbon,Dark 14.692952 5.43114 28.9796 High carbon,Light 7.562110769230769 1.39881 14.3775 Low carbon,Dark 15.015 15.015 15.015 Phloroglucinol 12.46842 9.68076 14.1445 Silicon starvation,12h 28.1646 28.1646 28.1646