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 0.462658 0.0 4.31536 High carbon,Light 0.7677492307692307 0.0 4.44985 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0