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 0.03437771428571428 0.0 0.240644 233pM Fe,Midnight 0.059188 0.0 0.177564 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.06445833333333334 0.0 0.514978 High carbon,Light 0.03586423076923077 0.0 0.466235 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.119109 0.0 0.357327 Silicon starvation,12h 0.0 0.0 0.0