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 0.304268 0.0 0.612821 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.28816413333333335 0.0 1.74811 High carbon,Light 0.3374433076923077 0.0 1.64442 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.7111696666666667 0.0 1.22379 Silicon starvation,12h 0.275338 0.275338 0.275338