condition mean min max 12pM Fe,Midday 190.078 190.078 190.078 12pM Fe,Midnight 30.25045 28.488 32.0129 58pM Fe,Midday 119.047 119.047 119.047 58pM Fe,Midnight 6.6239614285714286 0.0 11.2645 233pM Fe,Midnight 11.043666666666667 10.1886 12.2671 1160pM Fe,Midday 252.40385714285713 216.135 263.525 1160pM Fe,Midnight 17.045199166666666 5.72478 28.3534 High carbon,Dark 75.2271 18.2183 234.049 High carbon,Light 169.77434615384615 38.7821 472.678 Low carbon,Dark 24.136 24.136 24.136 Phloroglucinol 1243.879 621.397 1884.09 Silicon starvation,12h 179.309 179.309 179.309