condition mean min max 12pM Fe,Midday 30.9537 30.9537 30.9537 12pM Fe,Midnight 23.0001 22.7228 23.2774 58pM Fe,Midday 27.1414 27.1414 27.1414 58pM Fe,Midnight 13.9996 0.0 18.0756 233pM Fe,Midnight 14.041599999999999 13.5445 14.4795 1160pM Fe,Midday 17.483185714285714 16.4868 18.9445 1160pM Fe,Midnight 8.426590833333334 6.61796 9.95135 High carbon,Dark 13.691836666666667 6.21569 21.25 High carbon,Light 10.803182307692309 4.40094 17.8531 Low carbon,Dark 9.10381 9.10381 9.10381 Phloroglucinol 12.662386666666666 9.74206 17.1764 Silicon starvation,12h 15.2209 15.2209 15.2209