condition mean min max 12pM Fe,Midday 4.75424 4.75424 4.75424 12pM Fe,Midnight 16.24205 16.1638 16.3203 58pM Fe,Midday 8.41355 8.41355 8.41355 58pM Fe,Midnight 24.469514285714286 16.2393 65.0027 233pM Fe,Midnight 25.7649 24.4835 26.5137 1160pM Fe,Midday 0.5012858571428571 0.0 0.842882 1160pM Fe,Midnight 9.1950375 2.69114 21.3437 High carbon,Dark 14.002118 1.15926 22.7886 High carbon,Light 6.72396676923077 0.247694 15.5015 Low carbon,Dark 15.4509 15.4509 15.4509 Phloroglucinol 5.125743333333333 3.98655 6.07285 Silicon starvation,12h 20.2876 20.2876 20.2876