condition mean min max 12pM Fe,Midday 66.4719 66.4719 66.4719 12pM Fe,Midnight 32.46755 30.4836 34.4515 58pM Fe,Midday 58.6132 58.6132 58.6132 58pM Fe,Midnight 30.154114285714286 26.2008 41.024 233pM Fe,Midnight 21.999766666666666 20.752 23.2137 1160pM Fe,Midday 78.18497142857143 70.5331 96.5576 1160pM Fe,Midnight 14.891943333333334 9.28518 21.5971 High carbon,Dark 20.271999333333333 2.67952 33.1891 High carbon,Light 26.05546076923077 1.70949 66.5778 Low carbon,Dark 9.37624 9.37624 9.37624 Phloroglucinol 8.374839999999999 4.56018 11.2358 Silicon starvation,12h 31.6483 31.6483 31.6483