condition mean min max 12pM Fe,Midday 68.4139 68.4139 68.4139 12pM Fe,Midnight 95.01795 89.1539 100.882 58pM Fe,Midday 49.0831 49.0831 49.0831 58pM Fe,Midnight 73.0964 0.0 100.02 233pM Fe,Midnight 61.196533333333335 50.6667 70.8724 1160pM Fe,Midday 63.338342857142855 49.6962 74.4382 1160pM Fe,Midnight 45.900975 37.0507 57.0815 High carbon,Dark 65.472684 0.0 151.472 High carbon,Light 34.819851538461535 0.0 101.237 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 42.0801 37.4365 50.4768 Silicon starvation,12h 94.1793 94.1793 94.1793