condition mean min max 12pM Fe,Midday 27.7601 27.7601 27.7601 12pM Fe,Midnight 38.51745 38.2551 38.7798 58pM Fe,Midday 17.9643 17.9643 17.9643 58pM Fe,Midnight 33.1042 0.0 56.4825 233pM Fe,Midnight 30.836199999999998 30.0505 32.2684 1160pM Fe,Midday 19.833342857142856 15.9768 31.8009 1160pM Fe,Midnight 39.277483333333336 34.4123 46.4585 High carbon,Dark 25.198287333333333 8.89421 50.5648 High carbon,Light 15.730578461538462 3.65882 33.8485 Low carbon,Dark 15.8219 15.8219 15.8219 Phloroglucinol 48.7318 42.4495 52.9281 Silicon starvation,12h 39.7223 39.7223 39.7223