condition mean min max 12pM Fe,Midday 20.4346 20.4346 20.4346 12pM Fe,Midnight 27.1986 25.8998 28.4974 58pM Fe,Midday 14.1261 14.1261 14.1261 58pM Fe,Midnight 17.7765 0.0 24.1026 233pM Fe,Midnight 16.0403 15.0424 16.7029 1160pM Fe,Midday 12.111104285714285 8.17372 17.1072 1160pM Fe,Midnight 8.089759166666667 5.41363 12.7686 High carbon,Dark 13.535105999999999 3.19809 39.8899 High carbon,Light 6.095494076923077 0.0 20.3585 Low carbon,Dark 11.9332 11.9332 11.9332 Phloroglucinol 7.116906666666667 5.04654 8.70131 Silicon starvation,12h 10.1733 10.1733 10.1733