condition mean min max 12pM Fe,Midday 78.1776 78.1776 78.1776 12pM Fe,Midnight 51.88695 48.6089 55.165 58pM Fe,Midday 45.0188 45.0188 45.0188 58pM Fe,Midnight 30.744128571428572 0.0 42.4482 233pM Fe,Midnight 18.698566666666668 17.2859 19.8353 1160pM Fe,Midday 46.03422857142857 38.7082 51.0403 1160pM Fe,Midnight 7.881098333333333 4.90124 11.6392 High carbon,Dark 26.15936 11.0992 64.5918 High carbon,Light 18.959286153846154 1.94811 40.9836 Low carbon,Dark 14.1151 14.1151 14.1151 Phloroglucinol 27.67376666666667 22.5501 33.5356 Silicon starvation,12h 62.367 62.367 62.367