condition mean min max 12pM Fe,Midday 22.4406 22.4406 22.4406 12pM Fe,Midnight 22.22255 21.7389 22.7062 58pM Fe,Midday 13.0563 13.0563 13.0563 58pM Fe,Midnight 14.949342857142858 0.0 20.553 233pM Fe,Midnight 13.908766666666667 12.9581 14.7929 1160pM Fe,Midday 13.646115714285715 9.34501 17.6496 1160pM Fe,Midnight 13.724895 8.55274 19.6001 High carbon,Dark 25.20322 15.0292 53.9294 High carbon,Light 12.966064615384616 2.27684 28.6369 Low carbon,Dark 10.9895 10.9895 10.9895 Phloroglucinol 64.49613333333333 58.0138 71.7145 Silicon starvation,12h 35.8554 35.8554 35.8554