condition mean min max 12pM Fe,Midday 77.3878 77.3878 77.3878 12pM Fe,Midnight 18.6673 17.3257 20.0089 58pM Fe,Midday 111.416 111.416 111.416 58pM Fe,Midnight 16.83225714285714 0.0 20.641 233pM Fe,Midnight 61.6031 59.4231 63.2123 1160pM Fe,Midday 67.0635 56.5758 77.3012 1160pM Fe,Midnight 24.846565833333333 1.65592 67.0334 High carbon,Dark 73.27600666666666 21.346 101.55 High carbon,Light 105.97434769230769 3.76456 223.517 Low carbon,Dark 64.9605 64.9605 64.9605 Phloroglucinol 24.121433333333332 16.0834 32.686 Silicon starvation,12h 62.6412 62.6412 62.6412