condition mean min max 12pM Fe,Midday 4.0307 4.0307 4.0307 12pM Fe,Midnight 6.238435 5.30135 7.17552 58pM Fe,Midday 4.51063 4.51063 4.51063 58pM Fe,Midnight 3.5085599999999997 0.0 5.43894 233pM Fe,Midnight 3.93024 3.45397 4.20827 1160pM Fe,Midday 1.5237642857142857 1.0782 1.95774 1160pM Fe,Midnight 1.5081025000000001 1.10207 2.13946 High carbon,Dark 4.186934 1.25118 6.26206 High carbon,Light 1.9957618461538462 0.166301 4.43701 Low carbon,Dark 4.23806 4.23806 4.23806 Phloroglucinol 0.8164256666666666 0.807681 0.824445 Silicon starvation,12h 3.84472 3.84472 3.84472