condition mean min max 12pM Fe,Midday 36.2639 36.2639 36.2639 12pM Fe,Midnight 27.74355 25.1482 30.3389 58pM Fe,Midday 22.0493 22.0493 22.0493 58pM Fe,Midnight 16.972285714285714 0.0 23.9294 233pM Fe,Midnight 16.644266666666667 15.1959 17.8304 1160pM Fe,Midday 12.766214285714286 10.2724 16.583 1160pM Fe,Midnight 6.2085975 2.51082 12.4918 High carbon,Dark 19.237523333333332 6.7862 38.3737 High carbon,Light 12.42872 3.97321 31.8902 Low carbon,Dark 11.5221 11.5221 11.5221 Phloroglucinol 6.54765 4.61096 8.55759 Silicon starvation,12h 12.91 12.91 12.91