condition mean min max 12pM Fe,Midday 13.6412 13.6412 13.6412 12pM Fe,Midnight 13.78325 11.0017 16.5648 58pM Fe,Midday 9.60705 9.60705 9.60705 58pM Fe,Midnight 7.337677142857142 0.0 10.5702 233pM Fe,Midnight 11.891633333333333 11.4577 12.3096 1160pM Fe,Midday 10.161374285714286 8.46301 12.6598 1160pM Fe,Midnight 4.353570833333333 2.5877 7.06418 High carbon,Dark 6.779817333333333 2.6474 9.53656 High carbon,Light 6.0758336153846155 0.327787 17.9467 Low carbon,Dark 6.33328 6.33328 6.33328 Phloroglucinol 5.527406666666667 2.44227 8.15577 Silicon starvation,12h 24.3931 24.3931 24.3931