condition mean min max 12pM Fe,Midday 14.1692 14.1692 14.1692 12pM Fe,Midnight 53.57 49.7817 57.3583 58pM Fe,Midday 12.8764 12.8764 12.8764 58pM Fe,Midnight 42.74152857142857 0.0 62.2573 233pM Fe,Midnight 46.256366666666665 40.9785 49.3771 1160pM Fe,Midday 6.359385714285715 4.70729 7.82982 1160pM Fe,Midnight 14.568365833333333 4.0024 35.9952 High carbon,Dark 13.448946 2.42781 30.7566 High carbon,Light 1.9415314615384616 0.0 6.56339 Low carbon,Dark 12.4456 12.4456 12.4456 Phloroglucinol 1.54089 0.52181 2.42109 Silicon starvation,12h 21.3529 21.3529 21.3529