condition mean min max 12pM Fe,Midday 89.3286 89.3286 89.3286 12pM Fe,Midnight 253.85199999999998 235.855 271.849 58pM Fe,Midday 200.933 200.933 200.933 58pM Fe,Midnight 447.35414285714285 364.51 668.529 233pM Fe,Midnight 783.148 776.408 792.151 1160pM Fe,Midday 157.81 133.521 203.812 1160pM Fe,Midnight 341.49266666666665 169.662 607.253 High carbon,Dark 608.4887333333334 134.874 1011.38 High carbon,Light 552.2830769230769 208.409 1202.64 Low carbon,Dark 573.747 573.747 573.747 Phloroglucinol 480.96433333333334 249.086 715.899 Silicon starvation,12h 367.814 367.814 367.814