condition mean min max 12pM Fe,Midday 27.1641 27.1641 27.1641 12pM Fe,Midnight 20.2095 17.7337 22.6853 58pM Fe,Midday 22.5793 22.5793 22.5793 58pM Fe,Midnight 8.691785714285714 0.0 13.2002 233pM Fe,Midnight 9.352703333333334 8.41946 9.99638 1160pM Fe,Midday 15.3096 14.033 17.3552 1160pM Fe,Midnight 5.9356975 3.30891 8.65337 High carbon,Dark 12.040893333333333 1.95697 26.1831 High carbon,Light 10.518140769230769 1.11503 19.1012 Low carbon,Dark 17.3887 17.3887 17.3887 Phloroglucinol 5.6465733333333334 4.38438 8.13182 Silicon starvation,12h 18.0314 18.0314 18.0314