condition mean min max 12pM Fe,Midday 180.852 180.852 180.852 12pM Fe,Midnight 61.004 47.0766 74.9314 58pM Fe,Midday 81.2709 81.2709 81.2709 58pM Fe,Midnight 92.29405714285714 0.0 167.411 233pM Fe,Midnight 74.41403333333334 70.8187 80.0335 1160pM Fe,Midday 506.24442857142856 447.294 603.093 1160pM Fe,Midnight 79.36515833333333 38.9323 156.082 High carbon,Dark 43.615087333333335 1.52737 219.481 High carbon,Light 197.23503692307693 4.37724 675.175 Low carbon,Dark 13.5034 13.5034 13.5034 Phloroglucinol 23.749 15.2107 40.0944 Silicon starvation,12h 48.2767 48.2767 48.2767