condition mean min max 12pM Fe,Midday 24.6687 24.6687 24.6687 12pM Fe,Midnight 17.4313 17.103 17.7596 58pM Fe,Midday 16.2753 16.2753 16.2753 58pM Fe,Midnight 10.132007142857143 0.0 14.7206 233pM Fe,Midnight 10.956633333333333 10.5502 11.3201 1160pM Fe,Midday 15.919985714285714 13.8287 19.144 1160pM Fe,Midnight 8.65518 5.04423 12.4644 High carbon,Dark 16.43378 10.0646 24.6231 High carbon,Light 14.067624615384615 2.03829 24.0486 Low carbon,Dark 11.9554 11.9554 11.9554 Phloroglucinol 12.8957 11.6286 14.448 Silicon starvation,12h 44.4465 44.4465 44.4465