condition mean min max 12pM Fe,Midday 17.0327 17.0327 17.0327 12pM Fe,Midnight 21.4521 19.839 23.0652 58pM Fe,Midday 20.497 20.497 20.497 58pM Fe,Midnight 13.076028571428571 0.0 20.9904 233pM Fe,Midnight 13.427133333333334 11.2161 15.0635 1160pM Fe,Midday 13.027271428571428 10.894 14.5131 1160pM Fe,Midnight 8.215019166666666 6.75061 10.1527 High carbon,Dark 4.857340466666667 0.37912 13.4155 High carbon,Light 2.009464846153846 0.0 5.43017 Low carbon,Dark 7.74971 7.74971 7.74971 Phloroglucinol 5.79229 4.30737 6.80792 Silicon starvation,12h 6.2023 6.2023 6.2023