condition mean min max 12pM Fe,Midday 6.85866 6.85866 6.85866 12pM Fe,Midnight 15.48525 13.8197 17.1508 58pM Fe,Midday 1.51722 1.51722 1.51722 58pM Fe,Midnight 7.92157 0.0 10.9663 233pM Fe,Midnight 9.739166666666666 9.03478 10.4115 1160pM Fe,Midday 1.7566505714285714 0.708854 3.38897 1160pM Fe,Midnight 12.47915 6.63355 24.3406 High carbon,Dark 8.934466 2.80402 25.1381 High carbon,Light 5.994436923076923 1.45665 27.3325 Low carbon,Dark 2.0897 2.0897 2.0897 Phloroglucinol 7.426176666666667 3.76059 9.75641 Silicon starvation,12h 12.1949 12.1949 12.1949