condition mean min max 12pM Fe,Midday 383.581 383.581 383.581 12pM Fe,Midnight 222.2645 218.944 225.585 58pM Fe,Midday 382.751 382.751 382.751 58pM Fe,Midnight 279.9895714285714 239.991 452.265 233pM Fe,Midnight 285.0826666666667 281.14 291.571 1160pM Fe,Midday 328.7172857142857 292.284 349.607 1160pM Fe,Midnight 692.3715 435.73 840.363 High carbon,Dark 495.29866666666663 225.335 733.904 High carbon,Light 580.8800769230769 273.584 963.571 Low carbon,Dark 355.584 355.584 355.584 Phloroglucinol 611.4273333333333 550.569 660.486 Silicon starvation,12h 336.055 336.055 336.055