condition mean min max 12pM Fe,Midday 24.5009 24.5009 24.5009 12pM Fe,Midnight 13.266 11.6633 14.8687 58pM Fe,Midday 18.168 18.168 18.168 58pM Fe,Midnight 7.742048571428572 0.0 11.2132 233pM Fe,Midnight 8.697073333333334 7.97521 9.41228 1160pM Fe,Midday 13.771157142857144 11.7084 16.6078 1160pM Fe,Midnight 4.40027 2.4789 6.94978 High carbon,Dark 11.615789333333334 3.08655 40.1996 High carbon,Light 9.321625384615384 1.01577 28.6601 Low carbon,Dark 10.0934 10.0934 10.0934 Phloroglucinol 28.416666666666668 23.6281 37.8416 Silicon starvation,12h 20.714 20.714 20.714