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 0.17308828571428572 0.0 0.628931 233pM Fe,Midnight 0.23332733333333333 0.0 0.464069 1160pM Fe,Midday 0.12460471428571429 0.0 0.585991 1160pM Fe,Midnight 0.02334725 0.0 0.280167 High carbon,Dark 0.272016 0.0 0.817966 High carbon,Light 0.22411923076923077 0.0 1.82778 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.08461433333333333 0.0 0.253843 Silicon starvation,12h 0.423979 0.423979 0.423979