condition mean min max 12pM Fe,Midday 108.282 108.282 108.282 12pM Fe,Midnight 164.094 156.778 171.41 58pM Fe,Midday 64.6622 64.6622 64.6622 58pM Fe,Midnight 181.5116 94.8102 295.589 233pM Fe,Midnight 132.964 123.077 139.704 1160pM Fe,Midday 223.16985714285715 146.016 256.533 1160pM Fe,Midnight 95.6978 76.6102 118.99 High carbon,Dark 222.8473 68.9735 436.86 High carbon,Light 329.7976692307692 22.0378 929.829 Low carbon,Dark 75.4092 75.4092 75.4092 Phloroglucinol 943.9366666666666 751.893 1088.79 Silicon starvation,12h 338.396 338.396 338.396