condition mean min max 12pM Fe,Midday 22.4489 22.4489 22.4489 12pM Fe,Midnight 25.36135 21.3241 29.3986 58pM Fe,Midday 26.1908 26.1908 26.1908 58pM Fe,Midnight 21.95564285714286 0.0 29.9456 233pM Fe,Midnight 31.884066666666666 30.6535 32.7799 1160pM Fe,Midday 18.0273 15.3988 21.4726 1160pM Fe,Midnight 41.92969166666667 32.1416 55.0635 High carbon,Dark 36.71704 24.9354 55.4745 High carbon,Light 28.86597230769231 3.15353 50.3186 Low carbon,Dark 18.6446 18.6446 18.6446 Phloroglucinol 16.521266666666666 11.1438 22.9983 Silicon starvation,12h 48.631 48.631 48.631