condition mean min max 12pM Fe,Midday 3.87274 3.87274 3.87274 12pM Fe,Midnight 29.229300000000002 26.9395 31.5191 58pM Fe,Midday 1.44686 1.44686 1.44686 58pM Fe,Midnight 20.290742857142856 0.0 25.2908 233pM Fe,Midnight 27.6158 26.7011 28.1915 1160pM Fe,Midday 0.784366 0.426938 1.21819 1160pM Fe,Midnight 12.334935833333333 7.14782 17.3775 High carbon,Dark 15.489284666666666 5.38832 26.1141 High carbon,Light 2.4821836153846153 0.0 6.77495 Low carbon,Dark 7.83136 7.83136 7.83136 Phloroglucinol 14.071833333333334 11.2709 16.4173 Silicon starvation,12h 11.8987 11.8987 11.8987