condition mean min max 12pM Fe,Midday 36.2293 36.2293 36.2293 12pM Fe,Midnight 50.579499999999996 46.7802 54.3788 58pM Fe,Midday 28.1846 28.1846 28.1846 58pM Fe,Midnight 32.888157142857146 0.0 44.9471 233pM Fe,Midnight 40.8969 37.3804 44.9735 1160pM Fe,Midday 17.529642857142857 14.5705 21.3055 1160pM Fe,Midnight 25.330791666666666 19.1141 37.4 High carbon,Dark 36.16536 23.0623 49.2117 High carbon,Light 22.53346823076923 0.329367 46.1221 Low carbon,Dark 24.4967 24.4967 24.4967 Phloroglucinol 22.8256 19.3502 26.8366 Silicon starvation,12h 30.5741 30.5741 30.5741