condition mean min max 12pM Fe,Midday 44.4837 44.4837 44.4837 12pM Fe,Midnight 51.92085 45.1446 58.6971 58pM Fe,Midday 23.2781 23.2781 23.2781 58pM Fe,Midnight 62.9751 37.1045 170.036 233pM Fe,Midnight 48.270266666666664 46.4697 51.7893 1160pM Fe,Midday 31.298342857142856 22.5763 34.9099 1160pM Fe,Midnight 46.669891666666665 40.3776 53.9762 High carbon,Dark 53.59268 26.7259 73.3326 High carbon,Light 38.21407 7.32141 55.0586 Low carbon,Dark 59.0711 59.0711 59.0711 Phloroglucinol 24.4358 23.285 25.7445 Silicon starvation,12h 50.6196 50.6196 50.6196