condition mean min max 12pM Fe,Midday 21.8406 21.8406 21.8406 12pM Fe,Midnight 16.586350000000003 13.7542 19.4185 58pM Fe,Midday 14.6015 14.6015 14.6015 58pM Fe,Midnight 10.473414285714286 0.0 13.3167 233pM Fe,Midnight 7.757316666666667 6.9145 8.64985 1160pM Fe,Midday 14.819657142857142 12.7159 16.4063 1160pM Fe,Midnight 8.419534166666667 4.04656 12.4556 High carbon,Dark 17.095220666666666 5.72033 35.3851 High carbon,Light 14.04138153846154 2.25288 30.7625 Low carbon,Dark 17.1536 17.1536 17.1536 Phloroglucinol 9.42166 7.97798 10.2507 Silicon starvation,12h 31.2736 31.2736 31.2736