condition mean min max 12pM Fe,Midday 25.726 25.726 25.726 12pM Fe,Midnight 19.8477 17.4031 22.2923 58pM Fe,Midday 18.5645 18.5645 18.5645 58pM Fe,Midnight 12.801057142857143 0.0 18.339 233pM Fe,Midnight 19.931 18.8196 21.31 1160pM Fe,Midday 18.358642857142858 16.1184 21.6954 1160pM Fe,Midnight 21.518 5.02665 33.1324 High carbon,Dark 41.704558666666664 5.80843 252.958 High carbon,Light 44.47861076923077 2.64675 108.638 Low carbon,Dark 19.4814 19.4814 19.4814 Phloroglucinol 32.4623 24.8443 44.2142 Silicon starvation,12h 79.7236 79.7236 79.7236