condition mean min max 12pM Fe,Midday 23.8046 23.8046 23.8046 12pM Fe,Midnight 28.03855 26.3249 29.7522 58pM Fe,Midday 20.1734 20.1734 20.1734 58pM Fe,Midnight 18.36894285714286 0.0 26.0427 233pM Fe,Midnight 28.0944 26.707 29.0232 1160pM Fe,Midday 10.150134285714286 9.25403 11.5966 1160pM Fe,Midnight 24.97655 13.6122 35.6584 High carbon,Dark 73.17092666666666 12.895 264.681 High carbon,Light 61.53078461538461 10.5823 218.599 Low carbon,Dark 21.7925 21.7925 21.7925 Phloroglucinol 21.958966666666665 15.4418 29.2383 Silicon starvation,12h 28.3281 28.3281 28.3281