condition mean min max 12pM Fe,Midday 3.41163 3.41163 3.41163 12pM Fe,Midnight 9.47212 9.18736 9.75688 58pM Fe,Midday 1.50938 1.50938 1.50938 58pM Fe,Midnight 2.0292514285714285 0.0 2.65232 233pM Fe,Midnight 6.223033333333333 6.08021 6.48051 1160pM Fe,Midday 0.5951785714285714 0.0 1.12382 1160pM Fe,Midnight 0.7283041666666666 0.0 2.47342 High carbon,Dark 4.502006266666666 0.0 15.9158 High carbon,Light 9.401230307692307 0.0 42.4865 Low carbon,Dark 4.85079 4.85079 4.85079 Phloroglucinol 1.8329133333333334 1.61767 2.13781 Silicon starvation,12h 7.5218 7.5218 7.5218