condition mean min max 12pM Fe,Midday 12.1632 12.1632 12.1632 12pM Fe,Midnight 22.8957 19.9109 25.8805 58pM Fe,Midday 14.7487 14.7487 14.7487 58pM Fe,Midnight 15.935757142857144 0.0 21.004 233pM Fe,Midnight 10.28416 8.13598 11.4495 1160pM Fe,Midday 10.080564285714285 6.48696 12.4653 1160pM Fe,Midnight 6.351945 3.20153 10.66 High carbon,Dark 16.147715333333334 1.30271 45.8418 High carbon,Light 8.012425230769232 0.530418 21.9918 Low carbon,Dark 22.6929 22.6929 22.6929 Phloroglucinol 4.399653333333333 2.96403 5.678 Silicon starvation,12h 9.35548 9.35548 9.35548