condition mean min max 12pM Fe,Midday 38.2108 38.2108 38.2108 12pM Fe,Midnight 33.77305 31.5572 35.9889 58pM Fe,Midday 25.7301 25.7301 25.7301 58pM Fe,Midnight 20.239685714285713 0.0 26.6135 233pM Fe,Midnight 21.7943 19.7556 23.2813 1160pM Fe,Midday 31.84464285714286 29.1035 34.7262 1160pM Fe,Midnight 11.092140833333334 9.10879 12.6095 High carbon,Dark 21.296913333333332 4.57069 35.5929 High carbon,Light 17.450394615384617 2.54663 31.5146 Low carbon,Dark 21.0875 21.0875 21.0875 Phloroglucinol 24.0127 17.0167 31.9273 Silicon starvation,12h 34.457 34.457 34.457