condition mean min max 12pM Fe,Midday 68.2079 68.2079 68.2079 12pM Fe,Midnight 67.86335 62.8136 72.9131 58pM Fe,Midday 45.7564 45.7564 45.7564 58pM Fe,Midnight 44.64652857142857 0.0 60.7812 233pM Fe,Midnight 49.26513333333333 47.2195 50.821 1160pM Fe,Midday 42.20561428571428 38.8886 47.8997 1160pM Fe,Midnight 31.81935 22.6229 46.9885 High carbon,Dark 50.09800666666667 24.4031 94.0263 High carbon,Light 34.59403538461538 5.34036 65.329 Low carbon,Dark 23.1981 23.1981 23.1981 Phloroglucinol 32.5787 22.265 39.7698 Silicon starvation,12h 83.212 83.212 83.212