condition mean min max 12pM Fe,Midday 0.257824 0.257824 0.257824 12pM Fe,Midnight 0.067032 0.0 0.134064 58pM Fe,Midday 1.25474 1.25474 1.25474 58pM Fe,Midnight 0.3938160857142857 0.0 1.06384 233pM Fe,Midnight 0.323567 0.159824 0.489747 1160pM Fe,Midday 0.27561557142857146 0.101375 0.627905 1160pM Fe,Midnight 0.12785068333333333 0.0 0.326837 High carbon,Dark 0.5478551333333334 0.0 3.89646 High carbon,Light 0.2644996923076923 0.0 1.28432 Low carbon,Dark 1.46634 1.46634 1.46634 Phloroglucinol 0.027166966666666667 0.0 0.0815009 Silicon starvation,12h 0.0 0.0 0.0