condition mean min max 12pM Fe,Midday 49.5006 49.5006 49.5006 12pM Fe,Midnight 61.43615 61.43 61.4423 58pM Fe,Midday 29.3181 29.3181 29.3181 58pM Fe,Midnight 50.321485714285714 39.4925 66.7655 233pM Fe,Midnight 30.894 29.7502 31.7576 1160pM Fe,Midday 19.2729 17.0676 22.5927 1160pM Fe,Midnight 17.371325 11.8734 27.7165 High carbon,Dark 26.630346666666668 11.5331 41.5791 High carbon,Light 17.772176923076923 7.20999 41.6272 Low carbon,Dark 16.8658 16.8658 16.8658 Phloroglucinol 31.615533333333335 19.0946 47.2329 Silicon starvation,12h 25.2873 25.2873 25.2873