condition mean min max 12pM Fe,Midday 48.4379 48.4379 48.4379 12pM Fe,Midnight 37.75725 36.1751 39.3394 58pM Fe,Midday 36.6622 36.6622 36.6622 58pM Fe,Midnight 37.14785714285714 27.5272 84.4069 233pM Fe,Midnight 26.995033333333332 26.8619 27.1368 1160pM Fe,Midday 30.200685714285715 24.9507 33.5802 1160pM Fe,Midnight 17.524025 16.1774 20.2493 High carbon,Dark 29.37556 12.607 42.8878 High carbon,Light 29.961453846153848 11.4623 46.9548 Low carbon,Dark 24.3074 24.3074 24.3074 Phloroglucinol 50.088233333333335 45.0823 58.7219 Silicon starvation,12h 41.0693 41.0693 41.0693