condition mean min max 12pM Fe,Midday 5.17534 5.17534 5.17534 12pM Fe,Midnight 9.33684 6.72768 11.946 58pM Fe,Midday 7.44149 7.44149 7.44149 58pM Fe,Midnight 6.915891428571428 0.0 9.28206 233pM Fe,Midnight 7.41988 6.84896 8.19229 1160pM Fe,Midday 7.791657142857143 5.3488 9.83184 1160pM Fe,Midnight 7.242291666666667 4.18481 13.0024 High carbon,Dark 9.07949 1.36552 20.5064 High carbon,Light 15.64300753846154 0.923958 27.2076 Low carbon,Dark 12.6146 12.6146 12.6146 Phloroglucinol 5.588156666666666 4.45913 6.17043 Silicon starvation,12h 55.2114 55.2114 55.2114