condition mean min max 12pM Fe,Midday 17.8673 17.8673 17.8673 12pM Fe,Midnight 17.727800000000002 16.8393 18.6163 58pM Fe,Midday 15.0687 15.0687 15.0687 58pM Fe,Midnight 13.033271428571428 0.0 16.3575 233pM Fe,Midnight 14.2315 13.6718 15.1137 1160pM Fe,Midday 16.857085714285713 14.5846 19.3124 1160pM Fe,Midnight 3.394956666666667 1.52239 6.42116 High carbon,Dark 9.856142666666667 4.49471 18.3869 High carbon,Light 6.646267153846154 0.195813 19.9322 Low carbon,Dark 7.0316 7.0316 7.0316 Phloroglucinol 9.588623333333333 6.44229 13.3142 Silicon starvation,12h 12.5486 12.5486 12.5486