condition mean min max 12pM Fe,Midday 7.49651 7.49651 7.49651 12pM Fe,Midnight 15.777050000000001 14.7926 16.7615 58pM Fe,Midday 3.74184 3.74184 3.74184 58pM Fe,Midnight 11.958814285714286 0.0 16.7294 233pM Fe,Midnight 14.2203 13.7029 15.0832 1160pM Fe,Midday 6.042002857142857 4.29107 6.97873 1160pM Fe,Midnight 7.5753441666666665 4.91341 11.8151 High carbon,Dark 8.542486 1.00689 16.0968 High carbon,Light 5.925093307692308 0.274535 12.2561 Low carbon,Dark 11.2445 11.2445 11.2445 Phloroglucinol 2.78764 1.68628 3.40268 Silicon starvation,12h 17.3892 17.3892 17.3892