condition mean min max 12pM Fe,Midday 36.6597 36.6597 36.6597 12pM Fe,Midnight 36.42125 33.5832 39.2593 58pM Fe,Midday 29.6927 29.6927 29.6927 58pM Fe,Midnight 19.519114285714284 0.0 23.6145 233pM Fe,Midnight 14.101466666666667 12.9522 15.8168 1160pM Fe,Midday 25.71664285714286 23.2256 28.9154 1160pM Fe,Midnight 6.0492341666666665 4.34716 7.25971 High carbon,Dark 14.578370666666666 4.88623 28.7971 High carbon,Light 12.003777153846153 0.820677 24.7304 Low carbon,Dark 15.6863 15.6863 15.6863 Phloroglucinol 23.629033333333332 14.6905 34.7633 Silicon starvation,12h 25.4353 25.4353 25.4353