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 0.327827 0.0 0.586411 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.277424 0.0 1.52476 High carbon,Light 0.6907432307692307 0.0 2.10505 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.07544166666666667 0.0 0.226325 Silicon starvation,12h 0.0 0.0 0.0