condition mean min max 12pM Fe,Midday 23.1881 23.1881 23.1881 12pM Fe,Midnight 24.6199 24.0087 25.2311 58pM Fe,Midday 22.2277 22.2277 22.2277 58pM Fe,Midnight 15.529957142857143 0.0 21.1987 233pM Fe,Midnight 16.240133333333333 14.0397 18.3671 1160pM Fe,Midday 18.73202857142857 15.871 20.2374 1160pM Fe,Midnight 9.861744166666666 7.01421 13.2913 High carbon,Dark 9.983487333333333 1.05333 24.2279 High carbon,Light 10.089624615384615 2.78079 19.0832 Low carbon,Dark 13.2577 13.2577 13.2577 Phloroglucinol 9.224076666666667 6.87509 11.974 Silicon starvation,12h 32.1282 32.1282 32.1282