condition mean min max 12pM Fe,Midday 33.4135 33.4135 33.4135 12pM Fe,Midnight 27.62715 25.9143 29.34 58pM Fe,Midday 23.3018 23.3018 23.3018 58pM Fe,Midnight 18.664014285714288 0.0 23.7754 233pM Fe,Midnight 20.885366666666666 19.9016 21.6906 1160pM Fe,Midday 27.79997142857143 23.9085 30.2021 1160pM Fe,Midnight 16.0141475 8.30415 22.3725 High carbon,Dark 18.988582666666666 4.16758 35.0231 High carbon,Light 17.79879076923077 3.33406 38.7835 Low carbon,Dark 19.7857 19.7857 19.7857 Phloroglucinol 26.7557 24.1316 28.7451 Silicon starvation,12h 29.6446 29.6446 29.6446