condition mean min max 12pM Fe,Midday 0.124445 0.124445 0.124445 12pM Fe,Midnight 0.063833 0.0 0.127666 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.23288766666666666 0.157591 0.308571 1160pM Fe,Midday 0.09726208571428571 0.0 0.195723 1160pM Fe,Midnight 0.03400650833333333 0.0 0.109015 High carbon,Dark 1.8980762666666666 0.0 4.91964 High carbon,Light 1.6051312307692307 0.0 4.67782 Low carbon,Dark 3.03327 3.03327 3.03327 Phloroglucinol 21.296 14.1144 30.1832 Silicon starvation,12h 0.212415 0.212415 0.212415