condition mean min max 12pM Fe,Midday 48.4545 48.4545 48.4545 12pM Fe,Midnight 24.602899999999998 24.5602 24.6456 58pM Fe,Midday 37.1101 37.1101 37.1101 58pM Fe,Midnight 15.182528571428572 0.0 19.1641 233pM Fe,Midnight 18.440733333333334 15.598 20.7935 1160pM Fe,Midday 32.219028571428574 28.2619 36.663 1160pM Fe,Midnight 6.0411383333333335 4.55076 8.19843 High carbon,Dark 17.734084666666668 1.77743 31.9166 High carbon,Light 14.516272307692308 1.67799 35.3008 Low carbon,Dark 19.8496 19.8496 19.8496 Phloroglucinol 9.308266666666666 6.82183 11.79 Silicon starvation,12h 31.855 31.855 31.855