condition mean min max 12pM Fe,Midday 36.0304 36.0304 36.0304 12pM Fe,Midnight 75.7054 52.3645 99.0463 58pM Fe,Midday 586.405 586.405 586.405 58pM Fe,Midnight 336.7099285714286 71.4416 725.805 233pM Fe,Midnight 29.274966666666668 27.7567 30.6736 1160pM Fe,Midday 17.846842857142857 13.3855 25.241 1160pM Fe,Midnight 95.74304166666667 74.9616 116.081 High carbon,Dark 22.975103999999998 3.99741 34.3654 High carbon,Light 9.2564 2.1902 26.0846 Low carbon,Dark 10.929 10.929 10.929 Phloroglucinol 1.8954833333333334 1.22738 2.33302 Silicon starvation,12h 19.3385 19.3385 19.3385