condition mean min max 12pM Fe,Midday 25.9856 25.9856 25.9856 12pM Fe,Midnight 16.4319 15.7116 17.1522 58pM Fe,Midday 27.4493 27.4493 27.4493 58pM Fe,Midnight 11.953612857142858 0.0 15.8803 233pM Fe,Midnight 20.072033333333334 19.1053 20.6625 1160pM Fe,Midday 20.357814285714287 18.1065 23.2209 1160pM Fe,Midnight 14.54965 8.25936 24.2356 High carbon,Dark 21.852153333333334 14.2068 34.9727 High carbon,Light 20.918786923076922 4.23864 32.5924 Low carbon,Dark 12.7659 12.7659 12.7659 Phloroglucinol 9.513266666666667 7.25914 11.9399 Silicon starvation,12h 32.3206 32.3206 32.3206