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 0.0 0.0 0.0 58pM Fe,Midnight 0.10270800000000001 0.0 0.36709 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 0.1388906 0.0 0.795742 High carbon,Light 0.56238 0.0 3.3579 Low carbon,Dark 0.722829 0.722829 0.722829 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.506187 0.506187 0.506187