condition mean min max 12pM Fe,Midday 35.4538 35.4538 35.4538 12pM Fe,Midnight 49.21185 44.0752 54.3485 58pM Fe,Midday 20.193 20.193 20.193 58pM Fe,Midnight 38.958014285714285 0.0 49.1343 233pM Fe,Midnight 51.201433333333334 49.2837 52.5341 1160pM Fe,Midday 32.64508571428571 30.0697 36.8164 1160pM Fe,Midnight 24.8531 19.3075 34.5629 High carbon,Dark 39.32355333333334 18.855 70.4015 High carbon,Light 44.80175230769231 5.27801 112.055 Low carbon,Dark 38.4074 38.4074 38.4074 Phloroglucinol 24.95583333333333 20.6111 33.3169 Silicon starvation,12h 44.0541 44.0541 44.0541