condition mean min max 12pM Fe,Midday 111.691 111.691 111.691 12pM Fe,Midnight 80.2227 67.0813 93.3641 58pM Fe,Midday 81.6278 81.6278 81.6278 58pM Fe,Midnight 56.208842857142855 0.0 74.7077 233pM Fe,Midnight 42.651466666666664 42.506 42.7454 1160pM Fe,Midday 57.240585714285714 52.2215 60.8708 1160pM Fe,Midnight 59.775525 51.2954 65.9212 High carbon,Dark 82.93433999999999 53.4166 118.103 High carbon,Light 74.2322823076923 4.46236 116.503 Low carbon,Dark 25.2712 25.2712 25.2712 Phloroglucinol 124.36596666666667 79.9549 182.531 Silicon starvation,12h 63.5485 63.5485 63.5485