condition mean min max 12pM Fe,Midday 50.5916 50.5916 50.5916 12pM Fe,Midnight 36.1325 29.6793 42.5857 58pM Fe,Midday 49.3572 49.3572 49.3572 58pM Fe,Midnight 28.449585714285714 0.0 44.9618 233pM Fe,Midnight 34.3252 32.8549 35.3823 1160pM Fe,Midday 38.8919 27.8866 49.4949 1160pM Fe,Midnight 17.372975 11.1887 29.546 High carbon,Dark 22.200504666666667 4.3311 44.4374 High carbon,Light 21.814498461538463 1.85275 52.9239 Low carbon,Dark 18.9714 18.9714 18.9714 Phloroglucinol 51.29356666666666 37.3921 70.5311 Silicon starvation,12h 77.4982 77.4982 77.4982