condition mean min max 12pM Fe,Midday 42.3503 42.3503 42.3503 12pM Fe,Midnight 36.42195 30.8593 41.9846 58pM Fe,Midday 35.3722 35.3722 35.3722 58pM Fe,Midnight 14.37645 0.0 23.8439 233pM Fe,Midnight 13.707433333333332 10.1061 16.5403 1160pM Fe,Midday 48.762214285714286 46.9367 50.7961 1160pM Fe,Midnight 13.545784166666667 6.026 22.1903 High carbon,Dark 28.86458 4.83767 106.009 High carbon,Light 40.20092846153846 5.12625 96.8368 Low carbon,Dark 27.0126 27.0126 27.0126 Phloroglucinol 230.28733333333332 198.737 261.162 Silicon starvation,12h 57.8755 57.8755 57.8755