condition mean min max 12pM Fe,Midday 50.3418 50.3418 50.3418 12pM Fe,Midnight 46.7701 42.7933 50.7469 58pM Fe,Midday 25.5648 25.5648 25.5648 58pM Fe,Midnight 38.057 0.0 52.4102 233pM Fe,Midnight 40.9115 36.8037 47.3973 1160pM Fe,Midday 41.715585714285716 36.9584 44.3928 1160pM Fe,Midnight 35.8803 26.9076 45.098 High carbon,Dark 37.05493333333333 12.4886 59.8515 High carbon,Light 41.201753076923076 4.12339 69.3784 Low carbon,Dark 42.6801 42.6801 42.6801 Phloroglucinol 27.970066666666668 24.6878 32.3806 Silicon starvation,12h 68.494 68.494 68.494