condition mean min max 12pM Fe,Midday 15.6656 15.6656 15.6656 12pM Fe,Midnight 20.1708 18.9133 21.4283 58pM Fe,Midday 20.7129 20.7129 20.7129 58pM Fe,Midnight 21.312714285714286 11.3947 64.0106 233pM Fe,Midnight 35.2908 32.5935 37.2823 1160pM Fe,Midday 16.379714285714286 13.9947 20.1724 1160pM Fe,Midnight 18.087075 10.6003 30.6005 High carbon,Dark 32.638 16.9781 59.3614 High carbon,Light 34.03166923076923 20.7126 47.3799 Low carbon,Dark 21.9449 21.9449 21.9449 Phloroglucinol 14.2522 10.8149 18.4017 Silicon starvation,12h 41.3903 41.3903 41.3903