condition mean min max 12pM Fe,Midday 9.64654 9.64654 9.64654 12pM Fe,Midnight 11.7501 11.6677 11.8325 58pM Fe,Midday 9.9274 9.9274 9.9274 58pM Fe,Midnight 15.551214285714286 10.8653 37.2741 233pM Fe,Midnight 9.435146666666666 8.49807 10.3826 1160pM Fe,Midday 7.490564285714286 6.63937 8.92953 1160pM Fe,Midnight 3.7498941666666665 1.46965 8.21002 High carbon,Dark 6.24448 1.83083 10.6108 High carbon,Light 4.660498307692308 0.441263 9.15896 Low carbon,Dark 4.77073 4.77073 4.77073 Phloroglucinol 4.8147 4.11002 5.19062 Silicon starvation,12h 11.2755 11.2755 11.2755