condition mean min max 12pM Fe,Midday 27.943 27.943 27.943 12pM Fe,Midnight 43.3818 39.3702 47.3934 58pM Fe,Midday 23.9825 23.9825 23.9825 58pM Fe,Midnight 43.288442857142854 34.0173 85.2649 233pM Fe,Midnight 39.316 37.7916 40.4422 1160pM Fe,Midday 12.464985714285714 10.9359 15.012 1160pM Fe,Midnight 17.5331375 7.10246 37.6049 High carbon,Dark 30.65622 14.2557 45.9212 High carbon,Light 19.009614615384617 1.00939 31.5994 Low carbon,Dark 19.8775 19.8775 19.8775 Phloroglucinol 5.268963333333334 3.15627 9.31453 Silicon starvation,12h 35.755 35.755 35.755