condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.094454 0.0 0.188908 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.103956 0.0 0.280788 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.013013833333333334 0.0 0.156166 High carbon,Dark 0.2678906 0.0 1.63207 High carbon,Light 0.05876607692307693 0.0 0.30863 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.103353 0.103353 0.103353