condition mean min max 12pM Fe,Midday 23.0071 23.0071 23.0071 12pM Fe,Midnight 20.63975 19.1935 22.086 58pM Fe,Midday 10.5145 10.5145 10.5145 58pM Fe,Midnight 12.494642857142857 0.0 15.921 233pM Fe,Midnight 14.4963 13.0685 15.6882 1160pM Fe,Midday 14.072085714285715 11.4972 16.3031 1160pM Fe,Midnight 7.392829166666667 4.2081 11.2667 High carbon,Dark 16.042830666666667 2.00356 30.5674 High carbon,Light 12.302131538461538 3.57221 22.357 Low carbon,Dark 13.5575 13.5575 13.5575 Phloroglucinol 18.9684 15.3674 24.1151 Silicon starvation,12h 24.4545 24.4545 24.4545