condition mean min max 12pM Fe,Midday 18.1295 18.1295 18.1295 12pM Fe,Midnight 22.4932 21.9962 22.9902 58pM Fe,Midday 8.02089 8.02089 8.02089 58pM Fe,Midnight 13.007071428571429 0.0 17.8517 233pM Fe,Midnight 14.293766666666667 12.3882 17.5377 1160pM Fe,Midday 19.493842857142855 14.8508 26.5424 1160pM Fe,Midnight 7.982943333333333 5.40774 10.3242 High carbon,Dark 15.11066 4.95479 29.5322 High carbon,Light 11.191937692307693 1.07889 29.6015 Low carbon,Dark 9.00157 9.00157 9.00157 Phloroglucinol 5.833226666666667 3.15566 7.48201 Silicon starvation,12h 18.6245 18.6245 18.6245