condition mean min max 12pM Fe,Midday 17.4422 17.4422 17.4422 12pM Fe,Midnight 12.0063 11.3952 12.6174 58pM Fe,Midday 14.3454 14.3454 14.3454 58pM Fe,Midnight 9.6043 0.0 12.1167 233pM Fe,Midnight 8.016633333333333 7.76274 8.2165 1160pM Fe,Midday 11.405 10.2901 12.1543 1160pM Fe,Midnight 4.7218575 3.355 5.66307 High carbon,Dark 7.628247333333333 4.07584 11.4903 High carbon,Light 5.325290230769231 0.789883 9.57978 Low carbon,Dark 5.81395 5.81395 5.81395 Phloroglucinol 4.3108466666666665 2.73244 7.16052 Silicon starvation,12h 16.6674 16.6674 16.6674