condition mean min max 12pM Fe,Midday 47.824 47.824 47.824 12pM Fe,Midnight 35.762 31.5772 39.9468 58pM Fe,Midday 56.2725 56.2725 56.2725 58pM Fe,Midnight 33.16321428571428 0.0 41.4374 233pM Fe,Midnight 33.231633333333335 31.8919 34.5344 1160pM Fe,Midday 31.7009 28.694 33.8097 1160pM Fe,Midnight 27.33341666666667 23.3367 30.5839 High carbon,Dark 48.792046666666664 23.089 114.907 High carbon,Light 40.12136153846154 14.1696 65.2351 Low carbon,Dark 25.6285 25.6285 25.6285 Phloroglucinol 66.2887 55.6458 76.4304 Silicon starvation,12h 81.3417 81.3417 81.3417