condition mean min max 12pM Fe,Midday 15.2755 15.2755 15.2755 12pM Fe,Midnight 8.832725 8.41956 9.24589 58pM Fe,Midday 11.3539 11.3539 11.3539 58pM Fe,Midnight 8.335704285714286 0.0 11.3456 233pM Fe,Midnight 5.953026666666666 5.58686 6.46893 1160pM Fe,Midday 6.689435714285715 4.96027 7.60961 1160pM Fe,Midnight 5.1653475 3.33109 7.09942 High carbon,Dark 10.955486 3.46741 25.4213 High carbon,Light 8.033801923076924 0.539575 13.3924 Low carbon,Dark 13.6522 13.6522 13.6522 Phloroglucinol 11.468466666666666 10.625 12.3846 Silicon starvation,12h 14.949 14.949 14.949