condition mean min max 12pM Fe,Midday 99.2307 99.2307 99.2307 12pM Fe,Midnight 78.1166 74.6252 81.608 58pM Fe,Midday 98.7795 98.7795 98.7795 58pM Fe,Midnight 66.08115714285714 55.261 72.8826 233pM Fe,Midnight 61.69096666666667 60.2345 62.466 1160pM Fe,Midday 72.93032857142857 67.5744 81.1872 1160pM Fe,Midnight 120.46384166666667 41.4824 180.169 High carbon,Dark 79.18550666666667 42.4214 110.719 High carbon,Light 89.14299230769231 37.2961 146.677 Low carbon,Dark 62.6328 62.6328 62.6328 Phloroglucinol 133.779 115.625 146.177 Silicon starvation,12h 89.0632 89.0632 89.0632