condition mean min max 12pM Fe,Midday 16.2135 16.2135 16.2135 12pM Fe,Midnight 16.39105 16.1489 16.6332 58pM Fe,Midday 14.5485 14.5485 14.5485 58pM Fe,Midnight 13.107757142857142 0.0 18.7085 233pM Fe,Midnight 13.473933333333333 13.0234 14.3146 1160pM Fe,Midday 12.824014285714286 11.3286 15.6177 1160pM Fe,Midnight 7.6137075 5.1044 10.8234 High carbon,Dark 13.185113333333334 6.17831 18.0553 High carbon,Light 11.04529076923077 1.28136 18.2874 Low carbon,Dark 5.93719 5.93719 5.93719 Phloroglucinol 13.4361 8.518 16.336 Silicon starvation,12h 26.1157 26.1157 26.1157