condition mean min max 12pM Fe,Midday 19.6062 19.6062 19.6062 12pM Fe,Midnight 17.60155 17.1246 18.0785 58pM Fe,Midday 28.5136 28.5136 28.5136 58pM Fe,Midnight 15.4142 12.0998 26.3341 233pM Fe,Midnight 10.33741 9.84193 10.9758 1160pM Fe,Midday 14.199614285714286 13.6121 14.8156 1160pM Fe,Midnight 10.248415833333333 9.09439 11.5388 High carbon,Dark 11.153382666666667 4.45196 16.1005 High carbon,Light 9.894162923076923 0.38103 17.4222 Low carbon,Dark 7.1824 7.1824 7.1824 Phloroglucinol 8.722413333333334 5.91078 12.9035 Silicon starvation,12h 4.4256 4.4256 4.4256