condition mean min max 12pM Fe,Midday 18.2619 18.2619 18.2619 12pM Fe,Midnight 11.96326 9.49582 14.4307 58pM Fe,Midday 11.7917 11.7917 11.7917 58pM Fe,Midnight 4.659807142857143 0.0 7.05719 233pM Fe,Midnight 8.741536666666667 8.43789 8.91392 1160pM Fe,Midday 6.7111028571428575 5.41752 9.12109 1160pM Fe,Midnight 1.7880866666666666 1.11341 2.85289 High carbon,Dark 8.329875333333334 1.64789 14.2706 High carbon,Light 10.049956153846153 4.64909 14.923 Low carbon,Dark 7.61922 7.61922 7.61922 Phloroglucinol 3.2714066666666666 2.01032 4.37145 Silicon starvation,12h 13.1987 13.1987 13.1987