condition mean min max 12pM Fe,Midday 41.1546 41.1546 41.1546 12pM Fe,Midnight 45.236450000000005 44.8098 45.6631 58pM Fe,Midday 33.4373 33.4373 33.4373 58pM Fe,Midnight 34.19461428571429 27.1932 39.08 233pM Fe,Midnight 26.3719 24.4114 27.6929 1160pM Fe,Midday 34.72804285714286 31.8217 37.2595 1160pM Fe,Midnight 30.852075 16.1453 43.2494 High carbon,Dark 30.579533333333334 17.6525 48.7977 High carbon,Light 25.701319230769233 8.28625 38.1191 Low carbon,Dark 20.5099 20.5099 20.5099 Phloroglucinol 79.0856 62.9375 100.835 Silicon starvation,12h 41.6956 41.6956 41.6956