condition mean min max 12pM Fe,Midday 35.2354 35.2354 35.2354 12pM Fe,Midnight 27.42295 26.9053 27.9406 58pM Fe,Midday 21.5766 21.5766 21.5766 58pM Fe,Midnight 20.226142857142857 14.2338 24.0738 233pM Fe,Midnight 11.806 11.4594 12.1687 1160pM Fe,Midday 15.082942857142857 13.319 17.3432 1160pM Fe,Midnight 11.864898333333333 9.31834 13.6708 High carbon,Dark 12.377066666666666 2.79229 27.2709 High carbon,Light 7.683402307692307 2.02205 20.5838 Low carbon,Dark 12.3622 12.3622 12.3622 Phloroglucinol 5.83772 3.31192 8.78399 Silicon starvation,12h 9.29492 9.29492 9.29492