condition mean min max 12pM Fe,Midday 15.2473 15.2473 15.2473 12pM Fe,Midnight 23.1201 21.5551 24.6851 58pM Fe,Midday 8.64303 8.64303 8.64303 58pM Fe,Midnight 21.206485714285716 0.0 29.6211 233pM Fe,Midnight 19.5346 16.6173 23.2306 1160pM Fe,Midday 7.4896 6.18889 10.83 1160pM Fe,Midnight 16.340641666666667 10.2264 22.2813 High carbon,Dark 14.772624 1.98856 49.8425 High carbon,Light 8.274427692307693 1.40255 17.1319 Low carbon,Dark 1.93565 1.93565 1.93565 Phloroglucinol 14.88283 8.21079 19.8818 Silicon starvation,12h 11.3863 11.3863 11.3863