condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.328661 0.0 0.657322 58pM Fe,Midday 0.55928 0.55928 0.55928 58pM Fe,Midnight 0.21409057142857144 0.0 0.977029 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.14324157142857144 0.0 0.505645 1160pM Fe,Midnight 0.29384591666666665 0.0 1.06053 High carbon,Dark 4.639669866666667 0.0 15.8273 High carbon,Light 1.9006746153846155 0.0 7.57007 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 1.2918766666666668 0.0 3.87563 Silicon starvation,12h 0.71925 0.71925 0.71925