condition mean min max 12pM Fe,Midday 21.3136 21.3136 21.3136 12pM Fe,Midnight 17.468249999999998 16.2505 18.686 58pM Fe,Midday 16.2301 16.2301 16.2301 58pM Fe,Midnight 22.756842857142857 12.6086 75.3023 233pM Fe,Midnight 14.117766666666666 13.1415 15.054 1160pM Fe,Midday 15.778528571428572 12.7319 18.2737 1160pM Fe,Midnight 9.707370000000001 7.83129 11.8664 High carbon,Dark 11.320725333333334 3.11489 20.4985 High carbon,Light 11.013823076923076 4.65449 17.3216 Low carbon,Dark 12.5161 12.5161 12.5161 Phloroglucinol 13.812613333333333 6.92142 24.9235 Silicon starvation,12h 20.0278 20.0278 20.0278