condition mean min max 12pM Fe,Midday 105.751 105.751 105.751 12pM Fe,Midnight 46.5664 45.8991 47.2337 58pM Fe,Midday 61.7825 61.7825 61.7825 58pM Fe,Midnight 35.28068571428572 0.0 53.0861 233pM Fe,Midnight 22.455733333333335 20.0531 25.4235 1160pM Fe,Midday 40.9022 33.0491 47.4517 1160pM Fe,Midnight 22.40575 13.5154 29.7087 High carbon,Dark 24.091891333333333 5.91828 53.9563 High carbon,Light 26.815364615384617 4.789 76.675 Low carbon,Dark 36.3511 36.3511 36.3511 Phloroglucinol 12.56781 4.46023 18.243 Silicon starvation,12h 13.8852 13.8852 13.8852