condition mean min max 12pM Fe,Midday 0.746293 0.746293 0.746293 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.08798157142857142 0.0 0.615871 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.04999908333333333 0.0 0.599989 High carbon,Dark 0.16461466666666666 0.0 1.34794 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.50845 0.0 1.52535 Silicon starvation,12h 0.0 0.0 0.0