condition mean min max 12pM Fe,Midday 19.9219 19.9219 19.9219 12pM Fe,Midnight 15.16815 14.8362 15.5001 58pM Fe,Midday 14.6246 14.6246 14.6246 58pM Fe,Midnight 18.0904 11.664 52.459 233pM Fe,Midnight 10.730599999999999 10.2782 10.9773 1160pM Fe,Midday 13.00932857142857 11.7638 16.0144 1160pM Fe,Midnight 7.276445833333334 6.59292 8.38996 High carbon,Dark 8.865439333333333 4.04938 16.6521 High carbon,Light 7.231231461538462 0.695009 12.3239 Low carbon,Dark 8.87242 8.87242 8.87242 Phloroglucinol 8.702276666666666 5.91814 12.1652 Silicon starvation,12h 14.3576 14.3576 14.3576