condition mean min max 12pM Fe,Midday 49.1471 49.1471 49.1471 12pM Fe,Midnight 27.65115 26.7892 28.5131 58pM Fe,Midday 41.3883 41.3883 41.3883 58pM Fe,Midnight 21.104542857142857 0.0 30.2966 233pM Fe,Midnight 34.0426 32.9292 35.7189 1160pM Fe,Midday 39.48034285714286 33.8442 48.2021 1160pM Fe,Midnight 20.6087 11.5088 30.4526 High carbon,Dark 40.63800666666667 24.1743 71.5026 High carbon,Light 39.67804692307692 5.96871 85.2488 Low carbon,Dark 34.6988 34.6988 34.6988 Phloroglucinol 25.972366666666666 24.4251 28.6346 Silicon starvation,12h 86.9751 86.9751 86.9751