condition mean min max 12pM Fe,Midday 0.320945 0.320945 0.320945 12pM Fe,Midnight 11.088705000000001 8.67801 13.4994 58pM Fe,Midday 0.567974 0.567974 0.567974 58pM Fe,Midnight 6.922565714285715 0.0 9.01247 233pM Fe,Midnight 8.028056666666668 7.06281 8.99435 1160pM Fe,Midday 0.06466557142857142 0.0 0.317167 1160pM Fe,Midnight 2.8244073333333333 0.494698 6.6898 High carbon,Dark 2.3575918666666666 0.254338 6.79055 High carbon,Light 0.4622670769230769 0.0 1.64579 Low carbon,Dark 4.17218 4.17218 4.17218 Phloroglucinol 1.049199 0.703893 1.53062 Silicon starvation,12h 3.01302 3.01302 3.01302