condition mean min max 12pM Fe,Midday 76.8223 76.8223 76.8223 12pM Fe,Midnight 43.21955 39.0104 47.4287 58pM Fe,Midday 65.6489 65.6489 65.6489 58pM Fe,Midnight 20.20152857142857 0.0 25.8399 233pM Fe,Midnight 25.012933333333333 23.1886 26.1706 1160pM Fe,Midday 49.527457142857145 46.6908 51.6153 1160pM Fe,Midnight 10.774124166666667 5.47195 17.3789 High carbon,Dark 41.67599333333333 17.5305 64.9884 High carbon,Light 44.71780076923077 9.45271 79.8674 Low carbon,Dark 35.0883 35.0883 35.0883 Phloroglucinol 56.8577 52.2155 64.9759 Silicon starvation,12h 79.5434 79.5434 79.5434