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 0.501688 0.501688 0.501688 58pM Fe,Midnight 0.9584357142857143 0.0 3.02118 233pM Fe,Midnight 0.705649 0.0 1.76548 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.14568583333333335 0.0 0.852682 High carbon,Dark 3.0911438666666666 0.0 14.17 High carbon,Light 1.5803912307692307 0.0 13.4514 Low carbon,Dark 17.505 17.505 17.505 Phloroglucinol 1.5800743333333334 0.355283 3.22609 Silicon starvation,12h 7.09704 7.09704 7.09704