condition mean min max 12pM Fe,Midday 29.7982 29.7982 29.7982 12pM Fe,Midnight 7.997035 7.26239 8.73168 58pM Fe,Midday 16.1697 16.1697 16.1697 58pM Fe,Midnight 5.641588571428572 0.0 7.16743 233pM Fe,Midnight 3.70738 3.06162 4.20361 1160pM Fe,Midday 9.790802857142857 7.62266 10.9591 1160pM Fe,Midnight 4.919450833333333 2.80549 6.35333 High carbon,Dark 5.932501866666667 0.521858 10.0583 High carbon,Light 4.781933076923077 0.66902 7.19635 Low carbon,Dark 4.2803 4.2803 4.2803 Phloroglucinol 11.874796666666667 9.69722 16.0393 Silicon starvation,12h 9.929 9.929 9.929