condition mean min max 12pM Fe,Midday 8.10597 8.10597 8.10597 12pM Fe,Midnight 22.086750000000002 21.4302 22.7433 58pM Fe,Midday 9.67861 9.67861 9.67861 58pM Fe,Midnight 14.301785714285714 0.0 18.1157 233pM Fe,Midnight 17.668433333333333 17.334 17.9329 1160pM Fe,Midday 2.987237142857143 2.29918 3.98457 1160pM Fe,Midnight 7.593806666666667 1.77372 16.7795 High carbon,Dark 16.3604092 0.154788 24.519 High carbon,Light 7.253832769230769 0.0 17.3989 Low carbon,Dark 13.1719 13.1719 13.1719 Phloroglucinol 9.782116666666667 6.23615 14.9709 Silicon starvation,12h 27.5611 27.5611 27.5611