condition mean min max 12pM Fe,Midday 28.9913 28.9913 28.9913 12pM Fe,Midnight 23.518500000000003 21.9002 25.1368 58pM Fe,Midday 27.2067 27.2067 27.2067 58pM Fe,Midnight 20.894285714285715 18.3887 24.4799 233pM Fe,Midnight 19.7732 18.8681 20.2635 1160pM Fe,Midday 19.338785714285713 17.9728 20.3265 1160pM Fe,Midnight 28.251633333333334 21.043 32.6124 High carbon,Dark 18.935882 2.83773 34.499 High carbon,Light 17.215535923076924 0.652967 29.6155 Low carbon,Dark 16.6731 16.6731 16.6731 Phloroglucinol 25.9817 20.5275 33.1618 Silicon starvation,12h 20.3349 20.3349 20.3349