condition mean min max 12pM Fe,Midday 397.797 397.797 397.797 12pM Fe,Midnight 345.5505 344.377 346.724 58pM Fe,Midday 391.585 391.585 391.585 58pM Fe,Midnight 319.16585714285713 283.42 418.625 233pM Fe,Midnight 392.43033333333335 383.109 399.692 1160pM Fe,Midday 393.69314285714285 351.57 435.812 1160pM Fe,Midnight 159.16779166666666 86.7223 288.122 High carbon,Dark 318.9018 202.092 421.434 High carbon,Light 287.37108461538463 92.8391 380.235 Low carbon,Dark 288.184 288.184 288.184 Phloroglucinol 308.4506666666667 269.81 356.121 Silicon starvation,12h 272.834 272.834 272.834