condition mean min max 12pM Fe,Midday 15.9478 15.9478 15.9478 12pM Fe,Midnight 14.08555 13.9896 14.1815 58pM Fe,Midday 12.4753 12.4753 12.4753 58pM Fe,Midnight 9.229954285714285 0.0 11.3143 233pM Fe,Midnight 9.90113 9.09799 10.5076 1160pM Fe,Midday 11.7272 10.2022 13.2279 1160pM Fe,Midnight 5.8100725 4.63134 7.12571 High carbon,Dark 6.711338 1.46529 13.2734 High carbon,Light 5.192786923076923 1.15538 9.44095 Low carbon,Dark 5.25804 5.25804 5.25804 Phloroglucinol 6.20567 4.12768 9.44806 Silicon starvation,12h 13.0847 13.0847 13.0847