condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.136004 0.136004 0.136004 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.07518273333333333 0.0 0.55523 High carbon,Light 0.09893253846153846 0.0 0.783445 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.06729736666666666 0.0 0.104718 Silicon starvation,12h 0.0 0.0 0.0