condition mean min max 12pM Fe,Midday 0.185537 0.185537 0.185537 12pM Fe,Midnight 0.095626 0.0 0.191252 58pM Fe,Midday 0.497902 0.497902 0.497902 58pM Fe,Midnight 0.30955514285714286 0.0 0.582493 233pM Fe,Midnight 0.10943199999999999 0.0 0.328296 1160pM Fe,Midday 0.10155 0.0 0.300721 1160pM Fe,Midnight 0.390637 0.126756 1.17878 High carbon,Dark 0.3480995333333333 0.0 2.09164 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 0.298894 0.298894 0.298894 Phloroglucinol 0.07773133333333333 0.0 0.124927 Silicon starvation,12h 0.655208 0.655208 0.655208