condition mean min max 12pM Fe,Midday 56.5485 56.5485 56.5485 12pM Fe,Midnight 35.78095 33.2009 38.361 58pM Fe,Midday 34.025 34.025 34.025 58pM Fe,Midnight 24.270742857142857 0.0 29.8663 233pM Fe,Midnight 24.475166666666667 23.2972 25.6705 1160pM Fe,Midday 33.280342857142855 29.2308 37.4311 1160pM Fe,Midnight 14.166575 11.2792 17.0303 High carbon,Dark 21.883694 8.4039 35.2154 High carbon,Light 18.68382692307692 1.63893 34.9769 Low carbon,Dark 20.9225 20.9225 20.9225 Phloroglucinol 21.19846666666667 16.5726 26.6722 Silicon starvation,12h 44.945 44.945 44.945