condition mean min max 12pM Fe,Midday 33.6324 33.6324 33.6324 12pM Fe,Midnight 47.27575 39.7897 54.7618 58pM Fe,Midday 34.947 34.947 34.947 58pM Fe,Midnight 31.661985714285713 0.0 40.9957 233pM Fe,Midnight 22.243666666666666 21.4907 23.5264 1160pM Fe,Midday 17.355942857142857 12.0233 21.8378 1160pM Fe,Midnight 20.828591666666668 12.8631 26.2616 High carbon,Dark 36.16541333333333 17.6629 115.413 High carbon,Light 20.138144615384615 6.17611 42.0427 Low carbon,Dark 26.0723 26.0723 26.0723 Phloroglucinol 27.364766666666668 21.2683 34.686 Silicon starvation,12h 47.2251 47.2251 47.2251