condition mean min max 12pM Fe,Midday 53.7882 53.7882 53.7882 12pM Fe,Midnight 27.785600000000002 26.7098 28.8614 58pM Fe,Midday 46.8349 46.8349 46.8349 58pM Fe,Midnight 20.55147142857143 0.0 27.6246 233pM Fe,Midnight 21.2194 19.9273 21.916 1160pM Fe,Midday 46.022328571428574 36.5678 50.5831 1160pM Fe,Midnight 15.934214166666667 9.95847 19.9236 High carbon,Dark 22.830694666666666 5.99482 35.7443 High carbon,Light 28.68336076923077 8.58129 50.5001 Low carbon,Dark 14.4123 14.4123 14.4123 Phloroglucinol 38.756766666666664 33.4633 47.3306 Silicon starvation,12h 55.3474 55.3474 55.3474