condition mean min max 12pM Fe,Midday 13.9961 13.9961 13.9961 12pM Fe,Midnight 12.78135 12.0301 13.5326 58pM Fe,Midday 9.63977 9.63977 9.63977 58pM Fe,Midnight 11.985728571428572 0.0 16.6062 233pM Fe,Midnight 8.312743333333334 7.87888 8.81415 1160pM Fe,Midday 8.006624285714286 6.94331 9.28102 1160pM Fe,Midnight 6.097286666666666 4.24157 8.79632 High carbon,Dark 9.976391933333334 0.599539 18.9078 High carbon,Light 7.455092307692308 2.54707 17.0343 Low carbon,Dark 11.6789 11.6789 11.6789 Phloroglucinol 8.833943333333334 6.74409 12.2674 Silicon starvation,12h 17.8207 17.8207 17.8207