condition mean min max 12pM Fe,Midday 16.2389 16.2389 16.2389 12pM Fe,Midnight 17.84235 17.5906 18.0941 58pM Fe,Midday 18.6975 18.6975 18.6975 58pM Fe,Midnight 15.561114285714286 0.0 19.9754 233pM Fe,Midnight 18.292666666666666 17.8507 18.9996 1160pM Fe,Midday 8.518197142857144 7.77863 9.26984 1160pM Fe,Midnight 28.850183333333334 12.7433 44.6214 High carbon,Dark 30.331269333333335 7.19374 66.2245 High carbon,Light 32.51559859230769 0.0683137 89.6033 Low carbon,Dark 14.5869 14.5869 14.5869 Phloroglucinol 8.613233333333334 4.3043 13.5718 Silicon starvation,12h 15.2651 15.2651 15.2651