condition mean min max 12pM Fe,Midday 17.9002 17.9002 17.9002 12pM Fe,Midnight 16.8649 15.9783 17.7515 58pM Fe,Midday 16.6309 16.6309 16.6309 58pM Fe,Midnight 12.042957142857142 0.0 15.3393 233pM Fe,Midnight 14.242233333333333 13.8704 14.8287 1160pM Fe,Midday 13.951185714285714 12.3169 15.7424 1160pM Fe,Midnight 10.02116 6.54022 13.6407 High carbon,Dark 12.033712 4.96488 18.339 High carbon,Light 11.158602307692307 2.92953 18.1398 Low carbon,Dark 8.96857 8.96857 8.96857 Phloroglucinol 19.887533333333334 19.1062 20.6575 Silicon starvation,12h 20.7937 20.7937 20.7937