condition mean min max 12pM Fe,Midday 38.0147 38.0147 38.0147 12pM Fe,Midnight 32.3089 31.3926 33.2252 58pM Fe,Midday 34.1143 34.1143 34.1143 58pM Fe,Midnight 18.076014285714287 0.0 23.2659 233pM Fe,Midnight 25.616533333333333 24.7657 27.0749 1160pM Fe,Midday 23.604485714285715 20.9213 25.6093 1160pM Fe,Midnight 10.593748333333334 7.64891 13.9524 High carbon,Dark 20.166724 8.92244 37.3657 High carbon,Light 13.83579076923077 3.96804 24.6751 Low carbon,Dark 25.1909 25.1909 25.1909 Phloroglucinol 15.414866666666667 12.4173 18.8276 Silicon starvation,12h 38.4263 38.4263 38.4263