condition mean min max 12pM Fe,Midday 4.09085 4.09085 4.09085 12pM Fe,Midnight 3.1773100000000003 1.95849 4.39613 58pM Fe,Midday 2.05117 2.05117 2.05117 58pM Fe,Midnight 1.9988485714285713 0.0 3.16177 233pM Fe,Midnight 1.73389 1.18891 2.11325 1160pM Fe,Midday 2.4405414285714286 1.71572 3.32393 1160pM Fe,Midnight 0.8068799166666667 0.0 2.35837 High carbon,Dark 1.0327739333333332 0.0 2.45035 High carbon,Light 0.36278261538461537 0.0 1.63025 Low carbon,Dark 0.664748 0.664748 0.664748 Phloroglucinol 0.2600997666666667 0.0929033 0.431053 Silicon starvation,12h 0.931027 0.931027 0.931027