condition mean min max 12pM Fe,Midday 6.73286 6.73286 6.73286 12pM Fe,Midnight 45.2092 44.2058 46.2126 58pM Fe,Midday 10.7236 10.7236 10.7236 58pM Fe,Midnight 28.8903 0.0 35.5937 233pM Fe,Midnight 26.5373 21.2857 30.1897 1160pM Fe,Midday 17.008442857142857 13.4655 22.2673 1160pM Fe,Midnight 12.496223333333333 5.31656 23.9184 High carbon,Dark 15.25416 1.06711 37.9877 High carbon,Light 7.887981923076923 0.0 49.6376 Low carbon,Dark 16.411 16.411 16.411 Phloroglucinol 11.7209 11.009 12.2351 Silicon starvation,12h 23.7509 23.7509 23.7509