condition mean min max 12pM Fe,Midday 40.1161 40.1161 40.1161 12pM Fe,Midnight 44.81055 43.7087 45.9124 58pM Fe,Midday 30.0593 30.0593 30.0593 58pM Fe,Midnight 36.722185714285715 30.0195 61.824 233pM Fe,Midnight 25.2414 24.9831 25.6576 1160pM Fe,Midday 26.399985714285712 24.7672 28.0577 1160pM Fe,Midnight 43.487275 17.7418 71.8673 High carbon,Dark 22.044633333333334 10.1615 34.2723 High carbon,Light 14.407494615384616 1.05718 28.3285 Low carbon,Dark 11.2099 11.2099 11.2099 Phloroglucinol 40.16656666666667 37.2051 44.9703 Silicon starvation,12h 25.6944 25.6944 25.6944