condition mean min max 12pM Fe,Midday 323.324 323.324 323.324 12pM Fe,Midnight 306.994 285.325 328.663 58pM Fe,Midday 313.73 313.73 313.73 58pM Fe,Midnight 353.1601428571429 306.635 450.146 233pM Fe,Midnight 253.89433333333332 246.569 257.907 1160pM Fe,Midday 233.79814285714286 202.51 258.449 1160pM Fe,Midnight 224.356 156.987 275.294 High carbon,Dark 294.2323333333333 203.415 361.795 High carbon,Light 306.02253846153843 168.975 470.491 Low carbon,Dark 308.649 308.649 308.649 Phloroglucinol 295.6153333333333 282.109 310.354 Silicon starvation,12h 241.359 241.359 241.359