condition mean min max 12pM Fe,Midday 51.41 51.41 51.41 12pM Fe,Midnight 45.8331 43.6858 47.9804 58pM Fe,Midday 42.4105 42.4105 42.4105 58pM Fe,Midnight 31.120985714285716 20.3341 65.1148 233pM Fe,Midnight 22.6189 21.3847 23.5053 1160pM Fe,Midday 25.010114285714284 23.479 27.0135 1160pM Fe,Midnight 30.303295 7.66731 52.3263 High carbon,Dark 17.089202666666665 6.99029 29.0874 High carbon,Light 12.39330153846154 2.9121 24.91 Low carbon,Dark 14.6839 14.6839 14.6839 Phloroglucinol 48.8374 38.4367 59.562 Silicon starvation,12h 15.077 15.077 15.077