condition mean min max 12pM Fe,Midday 35.0693 35.0693 35.0693 12pM Fe,Midnight 21.101599999999998 20.1252 22.078 58pM Fe,Midday 38.8779 38.8779 38.8779 58pM Fe,Midnight 18.422485714285713 0.0 29.9386 233pM Fe,Midnight 17.202133333333332 15.6479 18.717 1160pM Fe,Midday 19.550314285714286 16.8864 21.5745 1160pM Fe,Midnight 11.32339 4.45622 22.329 High carbon,Dark 17.671835333333334 9.07581 29.8832 High carbon,Light 12.432613923076923 0.182009 19.9146 Low carbon,Dark 10.9169 10.9169 10.9169 Phloroglucinol 6.9186 5.55698 9.33739 Silicon starvation,12h 26.9102 26.9102 26.9102