condition mean min max 12pM Fe,Midday 101.545 101.545 101.545 12pM Fe,Midnight 79.7149 79.1719 80.2579 58pM Fe,Midday 92.0978 92.0978 92.0978 58pM Fe,Midnight 77.77318571428572 54.1088 180.489 233pM Fe,Midnight 34.70486666666667 33.9915 36.0462 1160pM Fe,Midday 67.61534285714286 60.589 77.8569 1160pM Fe,Midnight 34.31248333333333 26.3432 42.9086 High carbon,Dark 36.759253333333334 11.2659 50.7565 High carbon,Light 41.462732307692306 9.56492 70.1512 Low carbon,Dark 51.977 51.977 51.977 Phloroglucinol 53.37676666666667 50.5863 54.8898 Silicon starvation,12h 36.9765 36.9765 36.9765