condition mean min max 12pM Fe,Midday 15.9712 15.9712 15.9712 12pM Fe,Midnight 11.9231 11.447 12.3992 58pM Fe,Midday 11.4584 11.4584 11.4584 58pM Fe,Midnight 7.3650142857142855 0.0 10.7555 233pM Fe,Midnight 5.091373333333333 4.28129 6.42288 1160pM Fe,Midday 10.690004285714286 9.11149 13.5778 1160pM Fe,Midnight 3.293388333333333 2.22659 4.51141 High carbon,Dark 6.789799333333333 1.50741 17.4457 High carbon,Light 5.3102846153846155 1.59855 10.3777 Low carbon,Dark 3.50711 3.50711 3.50711 Phloroglucinol 21.6325 16.6159 30.5648 Silicon starvation,12h 26.4017 26.4017 26.4017