condition mean min max 12pM Fe,Midday 13.1443 13.1443 13.1443 12pM Fe,Midnight 12.05885 10.6191 13.4986 58pM Fe,Midday 11.1945 11.1945 11.1945 58pM Fe,Midnight 9.135314285714285 0.0 13.2878 233pM Fe,Midnight 8.6635 8.45363 8.9021 1160pM Fe,Midday 8.824997142857143 7.68549 9.71951 1160pM Fe,Midnight 3.1248458333333335 1.45302 5.84054 High carbon,Dark 6.563249333333333 2.05743 12.3189 High carbon,Light 3.948762153846154 0.460966 7.90024 Low carbon,Dark 5.33973 5.33973 5.33973 Phloroglucinol 3.18005 2.16209 4.36566 Silicon starvation,12h 18.5097 18.5097 18.5097