condition mean min max 12pM Fe,Midday 1.3748 1.3748 1.3748 12pM Fe,Midnight 1.423285 0.94026 1.90631 58pM Fe,Midday 1.48682 1.48682 1.48682 58pM Fe,Midnight 0.5651821428571429 0.0 1.06882 233pM Fe,Midnight 1.1461833333333333 1.13631 1.16066 1160pM Fe,Midday 1.654955857142857 0.744041 2.2734 1160pM Fe,Midnight 49.077097333333334 0.0 100.22 High carbon,Dark 3.037790466666667 0.0 6.77181 High carbon,Light 5.737887 0.0 17.5834 Low carbon,Dark 2.73044 2.73044 2.73044 Phloroglucinol 150.98916666666668 35.4166 364.474 Silicon starvation,12h 12.4286 12.4286 12.4286