condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.05550028571428571 0.0 0.201154 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.030619266666666665 0.0 0.459289 High carbon,Light 0.05099861538461538 0.0 0.340265 Low carbon,Dark 0.387131 0.387131 0.387131 Phloroglucinol 0.05020666666666667 0.0 0.15062 Silicon starvation,12h 0.0 0.0 0.0