condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 1.61979 1.60876 1.63082 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.37395 0.0 1.32354 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0939275 0.0 1.12713 High carbon,Dark 2.133287333333333 0.0 11.2716 High carbon,Light 0.18059076923076922 0.0 2.34768 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.35613 0.0 1.06839 Silicon starvation,12h 0.0 0.0 0.0