condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.41385299999999997 0.0 0.832267 1160pM Fe,Midday 0.07621785714285714 0.0 0.533525 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.056447866666666666 0.0 0.846718 High carbon,Light 0.156285 0.0 1.0741 Low carbon,Dark 1.06795 1.06795 1.06795 Phloroglucinol 0.84176 0.0 2.07752 Silicon starvation,12h 0.0 0.0 0.0