condition mean min max 12pM Fe,Midday 29.2472 29.2472 29.2472 12pM Fe,Midnight 25.9571 23.7393 28.1749 58pM Fe,Midday 19.8829 19.8829 19.8829 58pM Fe,Midnight 13.814657142857142 0.0 17.3769 233pM Fe,Midnight 12.108233333333335 11.1414 14.003 1160pM Fe,Midday 11.551692857142857 9.68195 14.2545 1160pM Fe,Midnight 7.885535 6.1199 9.5453 High carbon,Dark 18.747496933333334 0.942174 54.6223 High carbon,Light 10.282786923076923 2.91461 22.2683 Low carbon,Dark 19.5126 19.5126 19.5126 Phloroglucinol 1.3729433333333334 1.05301 1.78801 Silicon starvation,12h 0.744099 0.744099 0.744099