condition mean min max 12pM Fe,Midday 50.1388 50.1388 50.1388 12pM Fe,Midnight 49.15605 43.0175 55.2946 58pM Fe,Midday 58.7838 58.7838 58.7838 58pM Fe,Midnight 64.40405714285714 44.528 148.531 233pM Fe,Midnight 47.6526 44.5492 50.5304 1160pM Fe,Midday 45.6952 36.9716 52.5767 1160pM Fe,Midnight 27.350175 20.7132 39.6416 High carbon,Dark 90.52558 55.9833 130.528 High carbon,Light 104.6656 64.1051 158.287 Low carbon,Dark 101.842 101.842 101.842 Phloroglucinol 43.83996666666667 31.4346 50.2692 Silicon starvation,12h 118.151 118.151 118.151