condition mean min max 12pM Fe,Midday 54.608 54.608 54.608 12pM Fe,Midnight 38.90205 35.1918 42.6123 58pM Fe,Midday 55.0022 55.0022 55.0022 58pM Fe,Midnight 28.513085714285715 23.4746 51.6287 233pM Fe,Midnight 21.717000000000002 18.5757 25.9584 1160pM Fe,Midday 27.159085714285716 24.6314 31.1011 1160pM Fe,Midnight 26.21891666666667 12.4247 33.0287 High carbon,Dark 28.908954666666666 9.12928 47.1172 High carbon,Light 34.55238461538462 10.2601 55.7676 Low carbon,Dark 25.488 25.488 25.488 Phloroglucinol 24.05496666666667 21.3867 26.5359 Silicon starvation,12h 48.8365 48.8365 48.8365