condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.126446 0.125585 0.127307 58pM Fe,Midday 0.108319 0.108319 0.108319 58pM Fe,Midnight 0.11221428571428571 0.0 0.285511 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.011521428571428571 0.0 0.08065 1160pM Fe,Midnight 0.0089365 0.0 0.107238 High carbon,Dark 0.42142433333333335 0.0 2.94279 High carbon,Light 0.27105176923076924 0.0 1.03995 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.7463841333333333 0.0767088 2.08505 Silicon starvation,12h 0.0 0.0 0.0