condition mean min max 12pM Fe,Midday 2.3343 2.3343 2.3343 12pM Fe,Midnight 27.3944 25.6578 29.131 58pM Fe,Midday 0.295071 0.295071 0.295071 58pM Fe,Midnight 53.66362857142857 34.3993 118.545 233pM Fe,Midnight 69.61513333333333 66.5113 73.1781 1160pM Fe,Midday 13.464765714285715 9.70276 17.9217 1160pM Fe,Midnight 61.49839166666667 30.295 124.625 High carbon,Dark 19.819324666666667 1.74681 78.1603 High carbon,Light 18.980764846153846 0.392638 62.3368 Low carbon,Dark 4.33503 4.33503 4.33503 Phloroglucinol 3.134393333333333 2.04475 5.05985 Silicon starvation,12h 23.1477 23.1477 23.1477