condition mean min max 12pM Fe,Midday 98.1801 98.1801 98.1801 12pM Fe,Midnight 54.8117 51.9641 57.6593 58pM Fe,Midday 79.0864 79.0864 79.0864 58pM Fe,Midnight 54.309842857142854 40.3208 125.703 233pM Fe,Midnight 48.3336 44.3457 52.5017 1160pM Fe,Midday 60.854642857142856 56.6638 68.9177 1160pM Fe,Midnight 40.516866666666665 31.1372 53.1517 High carbon,Dark 59.80060666666667 38.7146 118.741 High carbon,Light 59.82613076923077 11.944 124.57 Low carbon,Dark 31.9082 31.9082 31.9082 Phloroglucinol 44.168733333333336 35.1799 54.5601 Silicon starvation,12h 97.3954 97.3954 97.3954