condition mean min max 12pM Fe,Midday 98.0229 98.0229 98.0229 12pM Fe,Midnight 106.468 104.311 108.625 58pM Fe,Midday 74.7022 74.7022 74.7022 58pM Fe,Midnight 102.9142 85.1687 139.719 233pM Fe,Midnight 46.323166666666665 44.9444 48.4155 1160pM Fe,Midday 86.17362857142857 70.5351 95.9621 1160pM Fe,Midnight 60.8347 51.5118 69.6871 High carbon,Dark 53.08204 10.5899 117.694 High carbon,Light 69.81164615384616 11.2475 137.296 Low carbon,Dark 31.4224 31.4224 31.4224 Phloroglucinol 244.029 194.123 300.015 Silicon starvation,12h 53.2674 53.2674 53.2674