condition mean min max 12pM Fe,Midday 138.931 138.931 138.931 12pM Fe,Midnight 137.285 136.868 137.702 58pM Fe,Midday 169.976 169.976 169.976 58pM Fe,Midnight 131.59757142857143 89.086 178.297 233pM Fe,Midnight 110.638 103.212 122.189 1160pM Fe,Midday 92.80155714285715 74.0177 108.662 1160pM Fe,Midnight 54.869416666666666 46.144 66.0993 High carbon,Dark 115.15688 33.4915 243.25 High carbon,Light 111.29703076923077 18.307 278.436 Low carbon,Dark 277.104 277.104 277.104 Phloroglucinol 77.47043333333333 73.5436 79.5907 Silicon starvation,12h 660.347 660.347 660.347