condition mean min max 12pM Fe,Midday 14.4401 14.4401 14.4401 12pM Fe,Midnight 8.937065 8.50701 9.36712 58pM Fe,Midday 10.5001 10.5001 10.5001 58pM Fe,Midnight 5.94683 0.0 8.66977 233pM Fe,Midnight 6.973263333333334 6.73568 7.12305 1160pM Fe,Midday 11.144525714285715 9.63332 13.8289 1160pM Fe,Midnight 6.3277925 4.11049 8.2759 High carbon,Dark 6.575134666666667 1.02303 16.0758 High carbon,Light 5.535717153846154 0.673353 13.3892 Low carbon,Dark 6.73737 6.73737 6.73737 Phloroglucinol 8.00408 5.73373 9.21971 Silicon starvation,12h 22.7769 22.7769 22.7769