condition mean min max 12pM Fe,Midday 91.6346 91.6346 91.6346 12pM Fe,Midnight 264.8005 241.862 287.739 58pM Fe,Midday 62.9767 62.9767 62.9767 58pM Fe,Midnight 332.7628571428572 264.672 380.933 233pM Fe,Midnight 275.00933333333336 262.62 283.627 1160pM Fe,Midday 488.3634285714286 473.998 498.695 1160pM Fe,Midnight 212.23108333333334 188.832 233.399 High carbon,Dark 191.796 104.079 394.318 High carbon,Light 342.3964384615384 53.5385 747.775 Low carbon,Dark 136.615 136.615 136.615 Phloroglucinol 210.71699999999998 153.046 277.854 Silicon starvation,12h 112.627 112.627 112.627