condition mean min max 12pM Fe,Midday 39.5404 39.5404 39.5404 12pM Fe,Midnight 29.0088 24.5655 33.4521 58pM Fe,Midday 27.7171 27.7171 27.7171 58pM Fe,Midnight 18.663885714285716 0.0 24.5748 233pM Fe,Midnight 14.0687 13.4935 14.9612 1160pM Fe,Midday 16.894000000000002 15.3451 19.2941 1160pM Fe,Midnight 14.244540833333334 9.96549 18.5419 High carbon,Dark 17.816292666666666 1.48495 48.6332 High carbon,Light 13.033936307692308 0.748222 30.6062 Low carbon,Dark 18.7748 18.7748 18.7748 Phloroglucinol 0.6105613333333333 0.482669 0.699711 Silicon starvation,12h 0.0 0.0 0.0