condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0785 0.0 0.157 58pM Fe,Midday 0.270831 0.270831 0.270831 58pM Fe,Midnight 0.08949357142857144 0.0 0.252587 233pM Fe,Midnight 0.06460033333333333 0.0 0.193801 1160pM Fe,Midday 0.017748142857142858 0.0 0.124237 1160pM Fe,Midnight 0.08139275 0.0 0.230156 High carbon,Dark 1.2616785333333334 0.0 7.03412 High carbon,Light 1.1651953076923076 0.0 4.01378 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 9.485806666666667 6.56871 13.5456 Silicon starvation,12h 0.348296 0.348296 0.348296