condition mean min max 12pM Fe,Midday 276.058 276.058 276.058 12pM Fe,Midnight 355.47900000000004 328.682 382.276 58pM Fe,Midday 266.711 266.711 266.711 58pM Fe,Midnight 310.77385714285714 0.0 427.718 233pM Fe,Midnight 233.093 220.5 246.109 1160pM Fe,Midday 213.49342857142858 197.296 232.261 1160pM Fe,Midnight 235.96816666666666 185.098 272.77 High carbon,Dark 257.8007333333333 129.869 330.57 High carbon,Light 201.4971 87.2893 292.833 Low carbon,Dark 374.084 374.084 374.084 Phloroglucinol 186.12933333333334 160.76 203.364 Silicon starvation,12h 278.061 278.061 278.061