condition mean min max 12pM Fe,Midday 109.888 109.888 109.888 12pM Fe,Midnight 48.97695 48.2317 49.7222 58pM Fe,Midday 72.4631 72.4631 72.4631 58pM Fe,Midnight 50.46991428571429 28.274 148.531 233pM Fe,Midnight 37.275866666666666 35.225 38.7709 1160pM Fe,Midday 71.70042857142857 61.3932 81.8139 1160pM Fe,Midnight 21.584133333333334 13.1767 32.2013 High carbon,Dark 54.266873333333336 13.6655 115.535 High carbon,Light 52.38234692307692 5.09381 99.8028 Low carbon,Dark 25.1211 25.1211 25.1211 Phloroglucinol 72.34876666666666 50.0074 88.7565 Silicon starvation,12h 45.4061 45.4061 45.4061