condition mean min max 12pM Fe,Midday 20.3382 20.3382 20.3382 12pM Fe,Midnight 19.084200000000003 18.2175 19.9509 58pM Fe,Midday 18.1932 18.1932 18.1932 58pM Fe,Midnight 13.817957142857143 0.0 17.2052 233pM Fe,Midnight 17.5494 16.2426 18.4236 1160pM Fe,Midday 9.74046 7.95397 11.6742 1160pM Fe,Midnight 21.796366666666668 11.5173 32.8721 High carbon,Dark 21.866826666666668 11.4756 35.8513 High carbon,Light 18.441985538461537 0.502734 48.1556 Low carbon,Dark 11.0967 11.0967 11.0967 Phloroglucinol 14.232713333333333 5.49054 20.8352 Silicon starvation,12h 20.314 20.314 20.314