condition mean min max 12pM Fe,Midday 14.5853 14.5853 14.5853 12pM Fe,Midnight 11.72265 10.8989 12.5464 58pM Fe,Midday 13.065 13.065 13.065 58pM Fe,Midnight 8.108017142857143 0.0 10.3944 233pM Fe,Midnight 4.838303333333333 4.33251 5.38267 1160pM Fe,Midday 9.81632 7.7787 11.4638 1160pM Fe,Midnight 2.264323 0.277549 5.06731 High carbon,Dark 4.4682914 0.285391 12.6994 High carbon,Light 3.9551538461538462 1.34787 12.5576 Low carbon,Dark 4.09638 4.09638 4.09638 Phloroglucinol 10.304986666666666 8.31036 13.1266 Silicon starvation,12h 16.9045 16.9045 16.9045