condition mean min max 12pM Fe,Midday 7.71106 7.71106 7.71106 12pM Fe,Midnight 7.964945 7.91069 8.0192 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 2.7644585714285714 0.0 6.84815 233pM Fe,Midnight 4.8142 0.0 9.56012 1160pM Fe,Midday 2.4383085714285713 0.0 6.06386 1160pM Fe,Midnight 1.0915383333333333 0.0 6.62931 High carbon,Dark 10.938148 0.0 44.5972 High carbon,Light 8.630676923076923 0.0 39.3043 Low carbon,Dark 75.1812 75.1812 75.1812 Phloroglucinol 11.865443333333333 4.83195 21.0142 Silicon starvation,12h 13.1621 13.1621 13.1621