condition mean min max 12pM Fe,Midday 7.85975 7.85975 7.85975 12pM Fe,Midnight 213.701 196.589 230.813 58pM Fe,Midday 3.31175 3.31175 3.31175 58pM Fe,Midnight 166.78714285714287 100.955 267.907 233pM Fe,Midnight 149.08166666666668 138.511 159.198 1160pM Fe,Midday 1.8216084285714285 0.575078 5.17817 1160pM Fe,Midnight 129.31253333333333 89.5824 200.797 High carbon,Dark 78.02451733333334 8.50356 192.186 High carbon,Light 7.0106670769230774 0.612022 18.1749 Low carbon,Dark 4.25727 4.25727 4.25727 Phloroglucinol 6.103 2.80492 12.6646 Silicon starvation,12h 41.9512 41.9512 41.9512