condition mean min max 12pM Fe,Midday 38.5492 38.5492 38.5492 12pM Fe,Midnight 35.5145 28.4397 42.5893 58pM Fe,Midday 33.5271 33.5271 33.5271 58pM Fe,Midnight 38.54555714285714 0.0 50.0399 233pM Fe,Midnight 40.799 38.6021 42.1413 1160pM Fe,Midday 47.4019 39.0099 55.9017 1160pM Fe,Midnight 34.94035 20.3158 46.3106 High carbon,Dark 55.203674 4.02711 115.837 High carbon,Light 66.81748153846154 2.32763 120.45 Low carbon,Dark 69.6011 69.6011 69.6011 Phloroglucinol 172.39433333333335 113.36 242.179 Silicon starvation,12h 48.1783 48.1783 48.1783