condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.25767 0.0 0.51534 58pM Fe,Midday 0.438476 0.438476 0.438476 58pM Fe,Midnight 0.6226017142857143 0.0 1.541 233pM Fe,Midnight 0.519502 0.0 0.941294 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 5.977874833333333 0.712348 11.5153 High carbon,Dark 9.222032 0.0 27.2989 High carbon,Light 1.7242116153846154 0.0 4.4512 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 1.19275 0.0 2.02566 Silicon starvation,12h 0.281946 0.281946 0.281946