condition mean min max 12pM Fe,Midday 92.0938 92.0938 92.0938 12pM Fe,Midnight 124.078 116.53 131.626 58pM Fe,Midday 77.4522 77.4522 77.4522 58pM Fe,Midnight 135.57372857142857 93.9421 202.713 233pM Fe,Midnight 108.83500000000001 105.431 113.293 1160pM Fe,Midday 63.3756 58.607 68.1611 1160pM Fe,Midnight 118.7877 85.7852 145.028 High carbon,Dark 129.00626 91.7098 176.692 High carbon,Light 111.65022307692308 67.1939 144.92 Low carbon,Dark 108.414 108.414 108.414 Phloroglucinol 113.802 105.631 119.465 Silicon starvation,12h 129.942 129.942 129.942