condition mean min max 12pM Fe,Midday 3.70727 3.70727 3.70727 12pM Fe,Midnight 2.231605 1.92771 2.5355 58pM Fe,Midday 5.05723 5.05723 5.05723 58pM Fe,Midnight 4.055362857142857 0.0 5.73636 233pM Fe,Midnight 0.5145576666666667 0.288597 0.766041 1160pM Fe,Midday 1.3450514285714286 1.02174 1.83182 1160pM Fe,Midnight 0.3928741666666667 0.111027 0.671941 High carbon,Dark 7.207274666666667 1.01043 17.7647 High carbon,Light 3.0808462307692306 0.452635 6.15577 Low carbon,Dark 9.03627 9.03627 9.03627 Phloroglucinol 22.361666666666665 13.1839 27.5729 Silicon starvation,12h 1.05466 1.05466 1.05466