condition mean min max 12pM Fe,Midday 42.378 42.378 42.378 12pM Fe,Midnight 57.219049999999996 54.2418 60.1963 58pM Fe,Midday 51.9204 51.9204 51.9204 58pM Fe,Midnight 38.35012857142857 0.0 60.4679 233pM Fe,Midnight 37.4067 32.3323 43.3454 1160pM Fe,Midday 27.83657142857143 13.0392 56.601 1160pM Fe,Midnight 9.05239 2.52506 16.899 High carbon,Dark 29.737168 0.0 96.2835 High carbon,Light 30.51278076923077 0.0 84.4403 Low carbon,Dark 58.2684 58.2684 58.2684 Phloroglucinol 19.6364 12.3656 26.5552 Silicon starvation,12h 29.676 29.676 29.676