condition mean min max 12pM Fe,Midday 19.4753 19.4753 19.4753 12pM Fe,Midnight 16.22785 12.7647 19.691 58pM Fe,Midday 16.2753 16.2753 16.2753 58pM Fe,Midnight 7.659028571428571 0.0 11.4148 233pM Fe,Midnight 4.181066666666666 2.68282 5.4806 1160pM Fe,Midday 5.744021428571428 4.56768 7.23213 1160pM Fe,Midnight 1.102421 0.406793 1.86035 High carbon,Dark 6.836137333333333 0.85742 14.4496 High carbon,Light 2.468415846153846 0.0 8.67071 Low carbon,Dark 3.5163 3.5163 3.5163 Phloroglucinol 24.050321666666665 0.677985 66.3427 Silicon starvation,12h 4.92482 4.92482 4.92482