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 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.041558733333333334 0.0 0.623381 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.08107833333333334 0.0 0.243235 Silicon starvation,12h 0.0 0.0 0.0