condition mean min max 12pM Fe,Midday 12.077 12.077 12.077 12pM Fe,Midnight 15.8968 14.6068 17.1868 58pM Fe,Midday 11.2487 11.2487 11.2487 58pM Fe,Midnight 9.765472857142857 0.0 13.1732 233pM Fe,Midnight 4.555616666666666 4.34666 4.72831 1160pM Fe,Midday 5.78643 4.49866 6.54755 1160pM Fe,Midnight 3.2619775 1.94188 4.72721 High carbon,Dark 9.567854066666667 0.604461 24.0796 High carbon,Light 6.162309538461539 0.363136 12.1587 Low carbon,Dark 13.2208 13.2208 13.2208 Phloroglucinol 4.992933333333333 4.69998 5.45651 Silicon starvation,12h 4.84617 4.84617 4.84617