condition mean min max 12pM Fe,Midday 26.3639 26.3639 26.3639 12pM Fe,Midnight 22.747700000000002 21.0726 24.4228 58pM Fe,Midday 21.4595 21.4595 21.4595 58pM Fe,Midnight 14.723028571428571 0.0 17.854 233pM Fe,Midnight 16.238599999999998 15.437 16.7773 1160pM Fe,Midday 17.258 16.0756 18.4652 1160pM Fe,Midnight 8.223045833333334 5.81935 12.4642 High carbon,Dark 13.552035333333333 7.21161 21.7747 High carbon,Light 12.039093076923077 5.20634 23.2169 Low carbon,Dark 11.5419 11.5419 11.5419 Phloroglucinol 9.962893333333334 8.78142 12.207 Silicon starvation,12h 30.6922 30.6922 30.6922