condition mean min max 12pM Fe,Midday 21.5038 21.5038 21.5038 12pM Fe,Midnight 18.682949999999998 17.1798 20.1861 58pM Fe,Midday 13.1341 13.1341 13.1341 58pM Fe,Midnight 12.1885 0.0 17.0137 233pM Fe,Midnight 8.84359 8.6514 9.08336 1160pM Fe,Midday 10.395391428571429 8.52528 11.6597 1160pM Fe,Midnight 7.452375 4.98556 11.4512 High carbon,Dark 9.603922866666666 0.603223 16.1054 High carbon,Light 6.257692307692308 0.0 13.6505 Low carbon,Dark 8.65841 8.65841 8.65841 Phloroglucinol 6.99949 5.05305 9.98311 Silicon starvation,12h 9.96123 9.96123 9.96123