condition mean min max 12pM Fe,Midday 52.1986 52.1986 52.1986 12pM Fe,Midnight 26.931649999999998 23.1614 30.7019 58pM Fe,Midday 36.3344 36.3344 36.3344 58pM Fe,Midnight 17.185342857142857 0.0 23.1303 233pM Fe,Midnight 21.625733333333333 20.3715 23.7968 1160pM Fe,Midday 49.98902857142857 35.6777 58.2816 1160pM Fe,Midnight 7.592466666666667 4.47632 11.5056 High carbon,Dark 30.880910666666665 8.82468 56.0974 High carbon,Light 25.85100230769231 1.28872 77.3474 Low carbon,Dark 54.2853 54.2853 54.2853 Phloroglucinol 9.684993333333333 6.97792 13.2768 Silicon starvation,12h 79.9903 79.9903 79.9903