condition mean min max 12pM Fe,Midday 23.7772 23.7772 23.7772 12pM Fe,Midnight 15.6462 13.0279 18.2645 58pM Fe,Midday 13.1495 13.1495 13.1495 58pM Fe,Midnight 9.819661428571429 0.0 14.7473 233pM Fe,Midnight 7.935686666666666 7.06732 9.21213 1160pM Fe,Midday 13.681842857142858 11.8446 17.6443 1160pM Fe,Midnight 7.662218333333334 6.40315 9.8189 High carbon,Dark 16.073152 5.44457 26.8412 High carbon,Light 17.959702307692307 5.30639 36.4201 Low carbon,Dark 12.2936 12.2936 12.2936 Phloroglucinol 31.790633333333332 27.6733 39.7622 Silicon starvation,12h 35.8197 35.8197 35.8197