condition mean min max 12pM Fe,Midday 12.232 12.232 12.232 12pM Fe,Midnight 4.543375 2.95833 6.12842 58pM Fe,Midday 13.5922 13.5922 13.5922 58pM Fe,Midnight 1.43427 0.0 2.13766 233pM Fe,Midnight 2.2519266666666664 2.07135 2.48019 1160pM Fe,Midday 9.812172857142857 7.75827 12.5832 1160pM Fe,Midnight 0.6241178333333334 0.206237 1.20579 High carbon,Dark 2.228942733333333 0.0 8.43087 High carbon,Light 0.8067757692307692 0.0 3.5278 Low carbon,Dark 3.0046 3.0046 3.0046 Phloroglucinol 1.1707383333333334 0.989145 1.45355 Silicon starvation,12h 7.68797 7.68797 7.68797