condition mean min max 12pM Fe,Midday 0.600507 0.600507 0.600507 12pM Fe,Midnight 0.745179 0.616053 0.874305 58pM Fe,Midday 0.318814 0.318814 0.318814 58pM Fe,Midnight 0.6318148571428571 0.0 1.18935 233pM Fe,Midnight 0.276104 0.148901 0.380229 1160pM Fe,Midday 0.6165151428571428 0.194997 1.2278 1160pM Fe,Midnight 1.5346167 0.0889434 3.05452 High carbon,Dark 1.0885532666666666 0.0 2.34582 High carbon,Light 0.7931608461538462 0.0 1.76657 Low carbon,Dark 0.780641 0.780641 0.780641 Phloroglucinol 10.725753333333333 6.83375 15.7104 Silicon starvation,12h 1.23001 1.23001 1.23001