condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.1937375 0.0 0.387475 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.17727514285714285 0.0 0.623382 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 1.0556678333333334 0.0 2.55358 High carbon,Dark 0.8066405333333333 0.0 3.08827 High carbon,Light 0.35363253846153847 0.0 1.23524 Low carbon,Dark 0.613744 0.613744 0.613744 Phloroglucinol 1.075889 0.710024 1.80128 Silicon starvation,12h 0.214898 0.214898 0.214898