condition mean min max 12pM Fe,Midday 15.3905 15.3905 15.3905 12pM Fe,Midnight 17.4436 17.1358 17.7514 58pM Fe,Midday 14.6184 14.6184 14.6184 58pM Fe,Midnight 9.774742857142858 0.0 13.1662 233pM Fe,Midnight 6.753293333333334 6.09198 7.32246 1160pM Fe,Midday 9.409707142857142 8.01618 11.3428 1160pM Fe,Midnight 5.389764166666667 3.71922 6.66496 High carbon,Dark 8.285116533333333 0.826878 18.8353 High carbon,Light 4.776354538461538 0.706703 16.3727 Low carbon,Dark 9.04278 9.04278 9.04278 Phloroglucinol 2.48978 1.96151 3.19898 Silicon starvation,12h 1.21209 1.21209 1.21209