condition mean min max 12pM Fe,Midday 15.9351 15.9351 15.9351 12pM Fe,Midnight 16.486199999999997 16.2842 16.6882 58pM Fe,Midday 13.1699 13.1699 13.1699 58pM Fe,Midnight 12.67316 9.54312 19.6692 233pM Fe,Midnight 9.38601 9.31905 9.50085 1160pM Fe,Midday 9.89883 9.1631 10.457 1160pM Fe,Midnight 4.853088333333333 3.05838 8.14321 High carbon,Dark 10.832883333333333 5.64181 17.6159 High carbon,Light 7.933947076923077 0.698552 14.8835 Low carbon,Dark 7.91206 7.91206 7.91206 Phloroglucinol 44.395833333333336 38.6767 51.7991 Silicon starvation,12h 13.474 13.474 13.474