condition mean min max 12pM Fe,Midday 12.9961 12.9961 12.9961 12pM Fe,Midnight 10.545 10.2682 10.8218 58pM Fe,Midday 7.84059 7.84059 7.84059 58pM Fe,Midnight 12.372062857142858 6.41034 29.9995 233pM Fe,Midnight 5.7169 5.33594 6.04389 1160pM Fe,Midday 7.358204285714286 6.28884 8.10134 1160pM Fe,Midnight 1.9153 1.01769 2.99795 High carbon,Dark 4.757441733333334 0.754816 10.9289 High carbon,Light 3.3622446923076925 0.118382 8.40757 Low carbon,Dark 4.52531 4.52531 4.52531 Phloroglucinol 8.132703333333334 7.14931 10.0041 Silicon starvation,12h 4.89756 4.89756 4.89756