condition mean min max 12pM Fe,Midday 0.351695 0.351695 0.351695 12pM Fe,Midnight 0.5449120000000001 0.5412 0.548624 58pM Fe,Midday 0.466794 0.466794 0.466794 58pM Fe,Midnight 0.16468771428571427 0.0 0.543642 233pM Fe,Midnight 0.22051866666666667 0.109512 0.334029 1160pM Fe,Midday 0.3026592857142857 0.135096 0.695112 1160pM Fe,Midnight 1.1002890833333334 0.0 2.77714 High carbon,Dark 2.4970924666666665 0.0 6.63576 High carbon,Light 2.17893 0.0 7.7681 Low carbon,Dark 0.557165 0.557165 0.557165 Phloroglucinol 1.6115753333333334 0.110191 3.83514 Silicon starvation,12h 0.300155 0.300155 0.300155