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 0.07863766666666668 0.0 0.235913 1160pM Fe,Midday 0.035066714285714284 0.0 0.245467 1160pM Fe,Midnight 0.045310416666666666 0.0 0.275925 High carbon,Dark 0.5325023999999999 0.0 2.53956 High carbon,Light 1.2670583846153847 0.0 10.4466 Low carbon,Dark 3.02719 3.02719 3.02719 Phloroglucinol 0.163133 0.0 0.253843 Silicon starvation,12h 1.48393 1.48393 1.48393