condition mean min max 12pM Fe,Midday 22.2577 22.2577 22.2577 12pM Fe,Midnight 21.162 20.7891 21.5349 58pM Fe,Midday 15.5304 15.5304 15.5304 58pM Fe,Midnight 14.550528571428572 12.9564 19.6824 233pM Fe,Midnight 11.111566666666667 10.2409 11.8754 1160pM Fe,Midday 12.48542857142857 11.451 13.8251 1160pM Fe,Midnight 4.9914475 3.76246 6.05931 High carbon,Dark 8.867569333333334 2.57518 15.6803 High carbon,Light 6.328099307692308 0.975001 13.1284 Low carbon,Dark 7.10763 7.10763 7.10763 Phloroglucinol 18.471 15.612 22.5577 Silicon starvation,12h 13.5775 13.5775 13.5775