condition mean min max 12pM Fe,Midday 35.2533 35.2533 35.2533 12pM Fe,Midnight 28.485750000000003 27.5483 29.4232 58pM Fe,Midday 28.374 28.374 28.374 58pM Fe,Midnight 31.440742857142858 21.349 70.8028 233pM Fe,Midnight 18.0602 16.0505 19.9701 1160pM Fe,Midday 22.811257142857144 20.198 25.7188 1160pM Fe,Midnight 11.201096666666666 8.80691 14.8883 High carbon,Dark 16.718302666666666 7.12585 24.9581 High carbon,Light 17.23173153846154 1.40706 35.6954 Low carbon,Dark 16.506 16.506 16.506 Phloroglucinol 19.596933333333332 17.2232 21.1685 Silicon starvation,12h 28.2173 28.2173 28.2173