condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 2.702835 0.0 5.40567 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.19243285714285713 0.0 1.34703 233pM Fe,Midnight 1.45075 0.0 2.19416 1160pM Fe,Midday 17.804042857142857 10.9003 26.7248 1160pM Fe,Midnight 0.10378 0.0 1.24536 High carbon,Dark 0.58868 0.0 6.22696 High carbon,Light 1.4066492307692307 0.0 12.623 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.18114 0.0 3.28625 Silicon starvation,12h 0.0 0.0 0.0