condition mean min max 12pM Fe,Midday 44.2 44.2 44.2 12pM Fe,Midnight 51.12325 50.4535 51.793 58pM Fe,Midday 47.373 47.373 47.373 58pM Fe,Midnight 37.64461428571428 0.0 50.0396 233pM Fe,Midnight 28.411666666666665 27.9865 29.0772 1160pM Fe,Midday 32.769685714285714 26.6591 39.9477 1160pM Fe,Midnight 14.983240833333333 6.26878 27.2008 High carbon,Dark 48.959908666666664 7.89343 106.627 High carbon,Light 38.868146153846155 7.3299 93.4417 Low carbon,Dark 60.6959 60.6959 60.6959 Phloroglucinol 12.73993 9.83949 18.2378 Silicon starvation,12h 85.3631 85.3631 85.3631